11-year period swimwear OEM manufacturer

Custom Period Swimwear OEM/ODMFor Private Label Brands

LJUNDERWEAR helps private label brands develop leakproof period swimwear collections with 50 MOQ, swim-ready gusset construction, absorbency testing support, PFAS-free fabric options, custom packaging, sampling, and bulk production for US, EU, and AU markets.

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OEM/ODMManufacturer
11 YearsExperience
15-35 mLTesting Support
7-14 DaysSampling
PFAS-FreeOptions
Private LabelPackaging

Not just swimwear with a liner

Build a Period Swimwear Line Around Real Purchase Moments

Period underwear cannot simply be used for swimming. For brands, the opportunity is to turn vacation, teen, school swim, and active swimmer anxiety into clearer product positioning, better reviews, and stronger seasonal sell-through.

{{PAIN_IMAGE_1_URL}}Vacation period swimwear for resort and travel collections

Vacation period swimwear ranges need backup protection for beach, cruise, resort, and hotel pool moments.

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{{PAIN_IMAGE_2_URL}}Teen period swimwear for school swimming and camps

Teen period swimwear for swim schools, camps, and first-period customers can offer tampon-free confidence.

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{{PAIN_IMAGE_3_URL}}Discreet period swimwear for poolside moments

Poolside moments matter: sitting, walking, and climbing out of water often drive discreet fit and visible-line concerns.

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{{PAIN_IMAGE_4_URL}}Before and after swim backup protection

Before-and-after swim backup protection helps brands position the product beyond time spent in the water.

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{{PAIN_IMAGE_5_URL}}Lightweight leakproof swim gusset construction

Swim-ready gusset construction helps avoid heavy water intake and a soggy post-swim feel for active swimmers.

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{{PAIN_IMAGE_6_URL}}Ecommerce reviews and return concerns for period swimwear

Clear claims, discreet fit, and stable bulk quality help online teen brands reduce poor reviews and seasonal returns.

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Discuss Your Period Swimwear Line

Real swim failure points

Where Ordinary Swimwear Development Breaks Down

For buyers, the risk is not only leakage. It is unclear claims, unstable fit, wet-garment bulk, and inconsistent bulk production after sample approval.

Most complaints happen outside the water

Customer experience is often judged after swimming: leaving the pool, sitting on a towel, walking to the changing room, or waiting between sessions.

Heavy feeling after swimming
Gusset shifts while walking or sitting
Visible lines when the garment is wet
Higher return risk and poor reviews during swim season

Standard swimwear construction is not enough

Adding a liner to a regular swim bottom can create water intake, bulk, unstable fit, and unsupported absorbency or PFAS-free claims.

Absorbs too much pool or ocean water
Fit changes after movement or drying
Absorbency claims need product testing
Bulk production needs clear QC standards

Product range

Custom Period Swimwear Styles for Your Brand

10+ swimwear silhouettes to build private label period swimwear collections for teen, resort, active, ecommerce, and wholesale markets.

{{STYLE_IMAGE_1_URL}}Period swim bikini bottoms and side-tie swim bottoms

Period Swim Bikini Bottoms

Classic, mid-rise, cheeky, side-tie, or full coverage options.

{{STYLE_IMAGE_2_URL}}High-waist full coverage period swimwear

High-Waist Swim Bottoms

High coverage period swimwear with a secure waist feel.

{{STYLE_IMAGE_3_URL}}Full coverage period swim briefs

Period Swim Briefs

Comfortable full coverage swim protection for everyday ranges.

{{STYLE_IMAGE_4_URL}}One-piece period swimwear with leakproof gusset

One-Piece Period Swimwear

Integrated leakproof gusset options for one-piece collections.

{{STYLE_IMAGE_5_URL}}Period swim shorts for active swimmers

Period Swim Shorts

More coverage for active swimmers, swim schools, and camp use.

{{STYLE_IMAGE_6_URL}}Period swim skirts and liners

Swim Skirts and Liners

Coverage-led options for resort, modest swim, and retail ranges.

{{STYLE_IMAGE_7_URL}}Racing brief and jammer period swimwear styles

Racing and Jammer Styles

Sportier silhouettes for training, teams, and school swim programs.

{{STYLE_IMAGE_8_URL}}Teen period swim bottoms and plus-size period swimwear

Teen and Plus-Size Options

Teen period swim bottoms, first-period confidence, and inclusive sizing.

Customize Your Swimwear Styles

Product technology

Built With a Leakproof Swim Gusset, Not a Standard Liner

A leakproof swim gusset should stay light, discreet, and comfortable in wet and dry conditions, while supporting lab-tested absorbency discussion and product claim development where suitable.

{{GUSSET_LAYER_IMAGE_URL}}Multi-layer leakproof period swimwear gusset structure
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Water-resistant outer layerHelps reduce unnecessary water intake so the product feels lighter after swimming.
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Absorbent coreSupports light to moderate backup protection directions and lab-tested absorbency review based on your product brief.
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Leak-resistant barrierHelps protect against visible staining during poolside and post-swim moments.
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Skin-friendly inner layerDesigned for comfort during extended wear before and after water activity.
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Fit engineeringGusset placement, waistband, and leg opening are reviewed to reduce shifting.

Customization at a glance

Product types

Bikini bottoms, side-tie bottoms, briefs, one-piece, shorts, swim skirts, teen and plus-size options.

Fabrics

Quick-dry, chlorine-resistant period swimwear fabrics, UPF 100+ UV protection options, 50-wash testing, color fastness, rubbing fastness, recycled fabric options, and PFAS-free materials.

Absorbency

Light to moderate backup protection, custom gusset length, and absorbency testing support.

Branding

Private label logo, care labels, size labels, retail packaging, and ecommerce packaging.

Brand advantages

Why Brands Choose LJUNDERWEAR

11 Years OEM/ODM ExperienceSpecialized in leakproof period swimwear and apparel development.
7-14 Day Sampling OptionsSample planning for fit and performance review.
45-60 Day Bulk ProductionCommon lead time after sample approval for wholesale period swimwear programs.
AQL Quality Control SystemChecks for stitching, sizing, gusset, and packaging.
US, EU, AU Market SupportCompliance and documentation discussion for cross-border supply.
50 MOQ OEM/ODM ProductionPrivate label support from sample to bulk.

Certificates and test reports

Certified Period Swimwear Fabric Tests That Support Buyer Claims

Before launch, review safety-tested swimwear fabric performance and Eurofins-checked documentation to support smoother access to US and European markets while controlling product claims, market positioning, and bulk production planning.

{{TEST_REPORT_IMAGE_URL}}Eurofins checked period swimwear fabric testing report preview
LJUnderwear Period Swimwear Washing Test Report Report No. EFW726033785-S-01

Testing directions available for period swimwear OEM programs

Test report discussions can be matched to your target market, fabric selection, claim wording, and wholesale or bulk order requirements.

Chlorine resistance
UPF 100+ UV protection
50-wash testing
Color fastness testing
Rubbing fastness testing
PFAS-free material review
View Certifications and Test Reports

Production process

From Idea to Shelf: Our Simple Process

Share Your Idea

Send target customer, style reference, size range, market, and quantity. 50 MOQ is available for custom period swimwear projects.

Product Direction

Define fabric, gusset construction, absorbency positioning, and packaging.

Sample Development

Samples ready in 7-14 days for fit and performance review.

Confirm and Order

Approve samples and place your bulk production order.

Bulk Production

45-60 days lead time with strict quality control for wholesale and private label orders.

Delivery

Shipment preparation for wholesale, retail, or ecommerce programs.

Customer case and packaging

Private Label Period Swimwear Presentation Support

Show retailers, online teen brands, and ecommerce buyers a more complete product story with private label packaging mockups, care labels, size labels, ecommerce packing, and customer feedback references.

Private label period swimwear packaging case for online teen brandsPackaging case image 1
Private label period swimwear packaging detail{{PACKAGING_CASE_IMAGE_2_URL}}
Period swimwear care label and size label case{{PACKAGING_CASE_IMAGE_3_URL}}
Ecommerce packing case for period swimwear{{PACKAGING_CASE_IMAGE_4_URL}}

Packaging case reference

Private label packaging can include logo labels, care labels, size labels, retail boxes, poly bags, and ecommerce packing directions for period swimwear retailers and online teen brands.

Customer feedback reference

Use product development feedback to refine fabric direction, gusset position, packaging details, and launch-ready claims for private label period swimwear collections.

"The product direction, packaging details, and testing discussion helped us prepare a clearer launch plan for our private label period swimwear collection." Customer feedback, private label swimwear project
Buyer-ready filesSupport for labels, packaging, size range, and product claim discussion.
Launch confidenceSample review and case references help reduce uncertainty before bulk production.

Common buyer questions

FAQs

Answer: Unlike period underwear, period swimwear uses swim-ready layers designed to reduce external water intake while supporting backup protection before, during, and after swimming.
Answer: Yes. LJ Underwear supports custom period swimwear OEM/ODM for private label brands, with 50 MOQ, sampling, fabric testing discussion, and packaging support.
Answer: Yes. Teen period swimwear can be developed for school swim, swim camps, first-period customers, and online teen brands, with style, coverage, and packaging adjusted for the target market.
Answer: Buyers should confirm the target customer, style reference, size range, fabric preference, absorbency direction, packaging needs, target market, and expected order quantity before sampling.
Answer: Yes. LJ Underwear supports 50 MOQ for custom period swimwear projects, with wholesale and bulk production planning after sample confirmation.
Answer: Chlorine-resistant fabric options, UPF 100+ UV protection options, 50-wash testing, color fastness, and rubbing fastness can be discussed based on your fabric selection and claim direction.
Answer: PFAS-free materials and recycled fabric options can be reviewed with available documentation and relevant test report discussion for your target market.
Answer: Yes. We can review your target market, style, price point, and claim direction, then suggest suitable gusset construction and lab-tested absorbency support.
Answer: Proper layer selection, gusset length, stretch, and fit engineering help keep the appearance close to normal swimwear while supporting discreet fit.
Answer: Yes. We support logo labels, care labels, size labels, retail packaging, ecommerce packaging, and size range development based on your market.
Answer: Sampling is typically 7-14 days. Bulk production is commonly planned around 45-60 days after sample approval.
Answer: Most brands position period swimwear as backup protection or light-flow use, depending on tested absorbency, target customer, and local product claim requirements.

Start your custom project

Start Your Custom Period Swimwear Project

Send us your target customer, style reference, size range, fabric direction, absorbency positioning, packaging requirements, target market, and expected quantity. LJUNDERWEAR will help you review private label period swimwear options, 50 MOQ sampling direction, and a quote for wholesale or bulk production.

Get a Custom Quote Request Samples