The WTREE 20 Pack Vacuum Storage Bags are designed to help maximize storage space and keep items organized. The pack includes a variety of sizes, such as 4 jumbo, 4 large, 4 medium, and 8 small bags, catering to different storage needs. These vacuum-sealed bags are suitable for storing comforters, blankets, clothes, and other items, effectively reducing their volume to create more space. Additionally, the hand pump included in the pack provides a convenient way to create a vacuum seal without the need for a vacuum cleaner, making these storage bags a practical solution for organizing and storing various household items.