●Micro-mesh system makes friction more suitable for fine clothing. ●Our strong wash bags are made from stain, stretch and tear resistant material -- polyester. ●Including 3 medium bags 12" x 16" (30 x 40 cm) to ensure you can use them for all your delicates. ●Our premium anti-rust zipper with auto lock and smart zipper protection will prevent the bag from opening during washing and drying cycle. You’ll have a new quiet and a snag-free laundry experience. ●Protect your delicates, extend the life of your baby clothes, socks and gloves, lingerie, yoga pants, scarves, jackets, jeans or even dog sweater, shoes, and stuffed animals.