50 PACK Space Saver Vacuum Storage Bags Jumbo Size 51"X40" Quantity = 50 bags total. The package included X50 Jumbo (51"X40") the largest vacuum storage bag. Online lowest price from direct wholesaler. Vacuum storage bag features : Comes with vacuum suction valve on each bag to draw out the air in the bag by vacuum cleaner or pump. Store those bulky items and reduce volume up to 75% as seen on TV! Airtight and waterproof seal keeps out moisture and dirt. Reusable. Our every storage bag comes with complete packaging with full instruction. Double zipper seal with material PA + PE. Our storage bag is 10% larger in the same listing size compare to others.