【20 Pack in 5 Different Size】We provide 20 pack Vacuum Storage Bags in 5 different sizes, 4 Jumbo, 4 Large，4 Medium, 4 Small, 4 Roll Up Bags (without cap), which allows you to safely store a large amount of your different sizes out-of-season clothing or bedding in your closets, drawers or under the bed. such as duvets, quilts, pillows, blankets, coats, sweaters, jackets, stuffed toys, towels, T-shirt, dress and so on 【Electric Air Pump for Easy and Fast Deflating】Our Vacuum Compression Bags comes with an Electric Air Pump, unlike the hand pump, it is much easier and faster to suck the air out of the vacuum bags, you don't need to use your strength to pull and push the pump again and again to take the air out of the bags. Just plug in the socket and then put it on the valve and turn on, then just wait for a few seconds and will done. Also It is an ideal option if you don't have a vacuum cleaner 【Upgraded Two Ways to Compress The Bags】This new 2-in-1 valve not only allows you to take the air out of the bags using the electric pump or hand pump, and also allow you to compress the bags directly by your hand without using pump. Just turn the air valve cap to left to open before deflating, and turn it to right to close after deflating finished