HOPDAY Wash Bags, Delicates Mesh laundry Bags, Super Premium Quality Bra lingerie Protection Washing Drying Bag with Rust Proof Flow Zipper, Set of 6 (3 Medium & 3 Large)-Black & White Set of 6 mesh laundry bags included 4 white bags (2 L 16" x 19" & 2 M 12" x 16") , 2 black bags (1 L 16" x 19" & 1 M 12" x 16"), each with a zip lock. Very soft polyester fabric material and feel nothing. the black bags have helped keep dark clothes from getting light colored lint. Bag and all delicates can go from the washer to the dryer. saved your clothes from tearing and wearing in the washer and the dryer. Remember to tuck the zipper pull inside the flap to prevent the bag from opening while in the washer or dryer. Choose the BEST to protect delicates, extend the life of lingerie, hosiery, intimates and more.