The Set Includes: This vacuum storage bag set contains 4 storage bags of different sizes, which can save more than 75% of storage space. No Need Air Pump: No need for an air pump to evacuate, just put the item into the bag, sew on the bag opening, press and release the air inside the bag. High Quality Material: High quality EVA material, thick and durable, not easily damaged. Can withstand strong pressure. Different Sizes: The four bags in the set are small (40 * 60 * 32cm), medium (50 * 70 * 32cm), large (60 * 80 * 32cm), and extra large (80 * 100 * 32cm). Different sizes of bags can be selected according to the volume of different items. Widely Used: It can hold clothes for all seasons, as well as pillows, blankets, blankets and other bedding. Items that are not needed in the short term can be compressed with this storage bag and then stored in the cabinet.