Nylon + PA + PE Saving 80% space- vacuum storage bags can be used for storaging comforters, blankets, duvets, towels, clothes, pillows, linens, and reach about 80% size reduction. Our vacuum seal bags are an ideal closet organizer. Premium Material and Reusable - vacuum storage bags made of extra thick PA + PE which is 30% thicker than others. The unique techniques make these vacuum bags ultra durable and reusable. These Storage bags vacuum sealed not only work with a vacuum cleaner or pump but also feature tool free function, just press or sit on the vacuum storage bags, air will fastly come out. Leak-Proof Design - Advanced double-zip seal and the triple-seal valve designed to suck every bit of air out and nothing back in space saver bags. They are waterproof and airtight, keep your clothes away from dust and moistured air. One Pack Fits All scenarios - our vacuum storage bags set comes with 5 different sizes to store all your seasonal clothing, sheets, blankets, pillows, comforters. 15 bags included: 3pcs Jumbo Cube 32 x 15 x 40 inch (80 x 38 x 100 cm) / 3pcs Hanging 54 x 28 inch (135 x 70 cm) / 3pcs Medium 32 x 22 inch (80 x 56 cm) / 3pcs Small 27.6 x 17.7 inch (70 x 45 cm) / 3pcs Roll up 23.6 x 15.8 inch (60 x 40 cm). Notice - Please pinch the zippers to make sure they are totally clipped to ensure the vacuum effect. You can press the vacuum storage bag to exhaust before you seal the zipper of space saver bags. That will help you to save more time. If there is any problems when using our vacuum bags, do not hesitate to contact us for help.