The Vacuum Storage Bags with Cordless Pump are space-saving compression packing cubes made from a durable PA+PE composite material in a sleek gray color. These space saver bags come in various sizes ranging from 21"×16" to 29"×21" to cater to different storage needs. With the added feature of vacuum sealed closure, these bags provide a convenient and efficient way to store and organize items while maximizing space in your home or closet.