Free Up More Space - MagicBag Space Saver bags create 3X more space in your closet, under your bed, or in storage bins by compressing your linens Keep Your Items Protected - Patented space saving material that squeezes air out and seals against dirt, odor, water, and dust Stays Airtight - Easy-grip double zipper design keeps items safe with a waterproof seal. Lab tested to stay airtight and withstand the elements Seal and Store - Vacuum airtight one-way valve fits almost all vacuum hoses and does not allow air back in, keeping your valuables packed tight Store for Summer - Each Large Flat MagicBag can hold 10-12 Sweaters - Dimensions - 21.65 x 0.1 x 33.5 inches (L x W x H)