How Many Period Pants Do I Need? A Practical Guide for Every Flow
Switching to period underwear is a smart step toward comfort, sustainability, and convenience. One of the most common questions is: How many […]
What Material Options Are Available for Packaging Bags?
At Shanhao, packaging is more than protection.it’s part of the product experience. For period underwear brands, the right packaging must balance functionality, […]
Why Over 70% of Disposable Sanitary Pads Contain Plastic and Can the period underwear be entirely polyester-free?
Many disposable pads use plastic-based layers for absorbency and leak protection. Here’s why it happens, what it means for comfort and the […]
From Plastic to Fabric: How Polyester Touches Our Skin
Polyester is a plastic-based polymer. It can be processed into soft polyester fabric, but chemically it remains plastic—meaning plastic in clothing and […]
7 Hidden Benefits of Period Panties Nobody Talks About
Period panties are no longer just leakproof underwear. They have evolved into a reusable, sustainable, and health-focused menstrual care solution trusted by […]
Common Special Fabric Treatments: What They Are & Why They Matter
Modern textiles are no longer judged only by color or softness. With advanced fabric finishing technologies, today’s functional fabrics can be waterproof, […]
TPU vs PU Leakproof Layers: What’s the Difference and Will They Melt in the Dryer?
Leakproof fabrics are widely used in period underwear, activewear, swimwear, and reusable hygiene products. At the core of these fabrics are waterproof […]
What Treatments Can Be Done on Swimsuit Fabric
If you’ve ever wondered why some swimsuits last longer, feel softer, or keep their colors brighter, the secret is in the fabric […]
How a Wetbag Achieves Complete Waterproofing
A wetbag may look like a simple accessory, but its smart design delivers powerful waterproofing and odor-control benefits. Whether you use a […]
Difference Between Woven Seamless and Bonded Seamless Panties: Complete Guide for Brands & Buyer
If you work in the lingerie, activewear, or underwear industry, you’ve probably heard of woven seamless panties and bonded seamless panties. Both […]