Premium Rust-Free Zippers Automatic lock so zipper won’t open when wash-ing and drying, zipper cover for extra protection, no rust. Zip up and pro-tect your clothes while washing and drying. Durable and Reusable Made of strong, long lasting polypropylene ny-lon. Soap and water flow easily through the mesh for optimal cleaning. Protect and Organize Mesh bags protect your garments from tangling, snagging, or pulling in washer or dryer. While also minimizing the chance of colors bleeding into each other. Great for organizing your clothes when packing for a trip. All in One Different Sizes to meet your different washing needs. The laundry bag is machine washable（maximum wash temperature 140℉ ） and dryable（tumble dry below 140℉. Please do not dry cleaning,bleaching or ironing the bags.