1. With Self Compression Zipper: There is an extra zipper outside of our space saving hanging garment bag with self compression zipper which can be zipped up to flatten the cubes and save the space as far as possible. It just works like a vacuum sealer 2. Premium Upgraded Fabric: This space saving hanging garment bag with self compression zipper for storage is made from thick, waterproof PEVA polyester fiber material that is durable and Transparent design easily see what is in each garment bag; Effectively protects your clothes from wrinkles, dust, pet hair, and moisture, providing reliable protection for your garments 3. Protect Your Clothes: Our space saving hanging garment bag with self compression zipper without destroying the fluffiness of your down jacket, prevent wrinkles and deformation, so that when you take it out in the next cold season, it will still be in a neat and tidy condition 4. Maximize Tidy Closet Space: Space saving hanging garment bag with self compression zipper store up to 5 pieces of clothing, including winter jackets, suits, and coats in one hanging vacuum bag and reduce its original size, making more room in your wardrobe for pieces