【Long Lasting YKK Zippers】Which is one of the best zipper brand. Rust–resistant, smooth, snag free and reliable can promise a long lasting using.【Colorful Protective Zipper Cover】The cover design can prevent lingerie bags from opening in the washing/drying machine. Avoid the zipper scratching other clothes and inside of machine. The colorful cover (white, blue and green) can help users sort and recognise according to specific using.【Reinforced Suture】Made of premium-grade long lasting, soft, breathable, and healthy polyester fiber, much thicker than others. The outer edges of laundry bag are fully sewed for tight 3 times strength suture. Hard to tear up.【Hanging Loop】is designed for easily storing and space saving.【Wide Use】Not only for laundry but also ideal for packaging for clean/dirty clothes, underwear, shoes, etc. when travelling and camping, as well as storage bags.