2 Piece Economy Pack- 1M (16 inches X 20 inches), 1S (12 inches X16 inches). It is a small and affordable assembly,Washing bag suitable for washing Underwear, Delicates, Lingerie, Bra, Leggings,Pantyhose, Socks and Sneaker.100% Polyester Fine Mesh- This reusable laundry net bag is perfect for packing heavy duty clothes. Washer bags are made from stain, stretch and tear resistant material -- 100% polyester. Soap and water flow easily through mesh for optimal cleaning, meanwhile protecting delicates from snagging,tangling, or stretching in washer. Therefore they are durable and they will protect your finest clothes for years.Auto-lock Zipper,Anti-cracking- This zipper laundry mesh bag has a high quality rust-proof zipper with a safe side cover,it is aoto-locked zipper can prevent the delicate laundry wash bag opening when it running,and the safe side cover can protect your washing machine,avoid the matel zipper scratch the machine and also extend the service life of zipper.Multipurpose- Ideal for packaging clothing. When you are camping and traveling with friends, you can easily separate yours and your friend's clothes with travel laundry bags. When you share a washing machine with your roommate, you can easily identify your clothes with a washing machine wash bags. It can be used for storage as well to sort your clothes in anorganised way in wardrobe. It is also a great helper for house moving.