TRAVEL ACCESSORIES - Each of our vacuum storage bags passes strict quality control standards and ensures long-term compressed storage. Including 3 sizes, 4 Pcs Small 35x50cm, 3 Pcs Medium 40x50cm, 3 Pcs Large 40x60cm COMPRESSION BAGS FOR TRAVEL - Our vacuum storage bags are made of PA+PE to protect your clothes from water, air, dirt, dust, and other damage. They can store various items, including clothes, pillows, towels, bedding, shirts, pants, sweaters, blankets, etc. HIGH-QUALITY MATERIALS - Space saver bags are sealed with double zippers to prevent leakage. It can save more than 75% of storage space. Reusable, you don’t need to buy another bag. NO NEED FOR VACUUM OR PUMP - one-way ventilation holes are provided on the centerline of the tail. Just put the clothes in the bag, and then roll the bag from the mouth of the bag to the bottom, forcing the air out through the unidirectional air outlet at the bottom of the bag. No need for any other equipment, very easy to use.