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 1 large bag 16″ x 20″ (40 x 50 cm), 1 medium bag 12″ x 16″ (30 x 40 cm), 1 small bag 9″ x 12″ (23 x 30 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.