Multi-Color Cotton Spandex Heavy Flow Menstrual Underwear

4-Layer Reinforced Leak-Proof Structure for Heavy Flow

Professional factory custom 4-layer functional gusset exclusively for heavy menstrual flow: moisture-wicking cotton top sheet, high-density absorbent microfiber core, breathable TPU waterproof barrier, soft outer cotton spandex layer. Widened extended leak guard prevents side & back leakage, holds up to 35-40ml fluid equivalent to 5 tampons, reliable for all-day, overnight heavy period use. All leak-proof layers are independently tested in our in-house QC lab before mass production.

Premium Cotton Spandex Fabric

Crafted with 95% cotton + 5% spandex main fabric, matched with pure cotton breathable crotch lining, hypoallergenic for sensitive skin. Our factory adopts eco reactive dyeing technology to supply rich colorful styles without fading, dozens of classic colors in stock for quick wholesale orders. Soft stretch fabric fits all body curves, no tight binding, invisible under all outfits. All fabrics pass OEKO-TEX Standard 100 test, no harmful chemicals, fully compliant with US & Canada market standards.

Durable Washable & Long Service Life, Factory Strict QC Control

All stitching, lamination and elastic bands are finished by our precision Santoni sewing machines. The waterproof membrane stays intact after over 100 machine washes without delamination, pilling or leakage failure. We implement 4-step full inspection: raw fabric test, semi-finished lamination check, finished absorbency test, final packing audit. Every batch is sampled randomly to guarantee consistent quality for your retail stock.

Flexible OEM & ODM Factory Support for Global Brands & Wholesalers

As a professional menstrual underwear manufacturer with 18+ years production experience, we offer full private label customization: custom brand heat transfer logo, woven care labels, exclusive color matching, custom retail packaging, size chart adjustment. Flexible low MOQ for startup brands (500pcs per color stock style, 1000pcs for full custom dye), tiered factory-direct wholesale pricing to boost your profit margin. Stable monthly output over 200,000 pieces to support large chain retailers.

Wide Application & High Market Demand for Feminine Care Lines

This colorful cotton spandex heavy flow period underwear fits teen girls, adult women, postpartum mothers and people with light bladder leakage. Ideal for Amazon DTC sellers, boutique wholesalers, offline pharmacy & apparel retailers. Our factory provides free sample service within 7-10 days, complete compliance documents (OEKO-TEX, PFAS test report, country of origin certificate) to help you clear customs smoothly in USA, Canada, Europe and Australia.