Three-sizes: Includes six bags of three different sizes (see Full Details for dimensions). Storage solution: Get a multipack of reusable MaxVac storage bags. Secure: Triple seal turbo valve with an airtight double zip lock. Space-saving design: Designed to take up to 80% less space. Easy to use: Comes with a hand pump. Versatile: Works with any vacuum cleaner. | MaxVac Storage Bags | Wowcher