Shanhao Undies | Certified Period Underwear Manufacturer
  • Home
  • OEM Product
    • Period Panties
      • Hipster
      • Bikini Brief
      • High Waist
      • Mid Waist
      • Thong
      • Boxer Short
      • Sleep Overnight
    • Women Ordinary Panties
    • Women’s Bras
    • Period Swimwear
    • Maternity Bra & Panties
    • Women Incontinence Underwear
    • Men Incontinence Underwear
    • Menstrual Pads
    • Dance Underwear
    • Sleepwear
    • Sportswears
    • WetBags
  • For Wholesale
    • Light Flow Panties
    • Medium Flow Panties
    • Heavy Flow Panties
    • Normal Panties
  • Ship From USA
  • About Us
    • Team members
    • F.A.Qs
    • Gallery
    • Product Inquiry Form
  • Blog
  • Contact Us
0
  • Home
  • OEM Product
    • Period Panties
      • Hipster
      • Bikini Brief
      • High Waist
      • Mid Waist
      • Thong
      • Boxer Short
      • Sleep Overnight
    • Women Ordinary Panties
    • Women’s Bras
    • Period Swimwear
    • Maternity Bra & Panties
    • Women Incontinence Underwear
    • Men Incontinence Underwear
    • Menstrual Pads
    • Dance Underwear
    • Sleepwear
    • Sportswears
    • WetBags
  • For Wholesale
    • Light Flow Panties
    • Medium Flow Panties
    • Heavy Flow Panties
    • Normal Panties
  • Ship From USA
  • About Us
    • Team members
    • F.A.Qs
    • Gallery
    • Product Inquiry Form
  • Blog
  • Contact Us

Author: Nazim Shanhao

Why Modal is the Perfect Fabric for Your Underwear
2025-06-162026-09-14Product, Textile Fabric

Why Modal is the Perfect Fabric for Your Underwear

Have you ever struggled through your day, feeling uncomfortable and distracted by underwear that just doesn’t feel right? especially during your period? Comfort […]

Why Menstrual Underwear is a Sustainable Period Solution Every Woman Should Consider
2025-06-042026-09-14Product

Why Menstrual Underwear is a Sustainable Period Solution Every Woman Should Consider

Periods are a natural part of life, but traditional products like pads and tampons create significant environmental waste. Menstrual underwear offers an […]

custom logo
2025-05-232026-09-14Testimonials

Why is the MOQ Higher for Custom Logo Waistbands?

If you’ve considered custom logo waistbands for your brand, you’ve likely noticed higher minimum order quantities (MOQ) compared to standard products. Understanding […]

Can I Make Seamless Bonded Period Underwear with Bamboo Fabric?
2025-05-162026-09-14Product, Textile Fabric

Can I Make Seamless Bonded Period Underwear with Bamboo Fabric?

Bamboo fabric is a fantastic choice if you’re looking for a sustainable and comfortable option for period underwear. But can you make […]

Cotton Shrinkage Prevention
2025-05-082026-09-14Product, Textile Fabric

Why High-Stretch Organic Cotton Shrinks Under Heat and How to Prevent It

Organic cotton is prized for its softness, breathability, and sustainability, making it a favourite in period underwear, panties, and bras. However, high-stretch […]

The Textile Fabric with the Best Antibacterial Effect: Hemp Fabric
2025-04-272026-09-14Product, Textile Fabric

The Textile Fabric with the Best Antibacterial Effect: Hemp Fabric

The Textile Fabric with the Best Antibacterial Effect: Hemp Fabric Hemp fabric is known to be the premier natural antibacterial fabric often […]

2025-04-262026-09-14Product, Textile Fabric

Say Goodbye to Seams: How Bonded Technology Is Transforming Camel Toe Thongs for Ultimate Comfort and Style

Say Goodbye to Seams: How Bonded Technology Is Transforming Camel Toe Thongs for Ultimate Comfort and Style Traditional stitching methods dominate the […]

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Shanhao Knitting

Shantou Shanhao Knitting Co., Ltd. is a factory in Shantou City with its sales department in Shenzhen. We specialise in reusable leakproof period underwear, incontinence wear and maternity garments, producing 500,000 panties and 100,000 bras every month for brands across Europe, Australia, the Americas and South Africa.

Products

  • Women Period Panties
  • Women Incontinence Underwear
  • Men Incontinence Underwear
  • Maternity Bra & Panties
  • Period Swimwear
  • Menstrual Pads
  • Dance Underwear
  • Wet Bags

Company

  • About Us
  • Team Members
  • F.A.Qs
  • Gallery
  • Ship From USA
  • Blog
  • Product Inquiry Form
  • Contact Us

Contact Us

  • Phone / WhatsApp+86 181 2512 1337
  • Emailrose@shanhaoundies.com
  • Sales officeB1105, ZhanTao Technology Building, Longhua District, Shenzhen, Guangdong, P.R. China
  • FactoryXianbohuan East Road, Gurao Town, Chaoyang District, Shantou City, Guangdong, P.R. China

Copyright © 2026 Shantou Shanhao Knitting Co., Ltd. All rights reserved.

ISO 9001OEKO-TEX 100GOTSBSCIGRS

Flow Guide

Choose your flow type based on the number of pads, tampons or cups you use in approx. 12 hours.

1pad
Light
3pads
Medium
4pads
Heavy
5pads
Super Heavy
1tampon
Light
4tampons
Medium
5tampons
Heavy
7tampons
Super Heavy
½cup
Light
1cup
Medium
2cups
Heavy
2½cups
Super Heavy

These are guide figures, not medical advice. Absorbency is measured under lab conditions and real-world results vary with fit and activity. If your flow soaks through in under two hours, speak to a healthcare professional.

Size Chart

Find your true-to-size fit:

SizeUSUKEUHip (cm)Waist (cm)
XS4–68–1036–3888–9266–70
S6–810–1238–4092–9670–74
M8–1012–1440–4296–10074–78
L10–1214–1642–44100–10478–82
XL12–1416–1844–46104–11082–88
2XL14–1618–2046–48110–11688–94
3XL16–1820–2248–50116–12294–100
4XL18–2022–2450–52122–128100–106

Swipe sideways for EU, hip and waist

How to measure your size

Waist

Wrap the tape around the narrowest part of your natural waistline.

Hip

Measure around the fullest part of your hips with feet together.

Fit tip

Between two sizes? Size up for a relaxed, overnight-ready fit.

Measurements are body measurements, not garment measurements. Tolerance is 1–2 cm on finished garments. For private-label orders we can build to your own size spec.