This industry quality 5ft double mattress bag provides protection against dirt, dust and moisture while your mattress is in transit or storage. The double mattress bag is made from 250 gauge polythene. The gauge of the polythene mattress bag refers to its strength and thickness. Size of the double mattress bag: 2210 x 1372 x 356mm Please note: All of our furniture covers are supplied wrapped in individual packets. Only clear covers are currently available.