GardenersDream King Size Mattress Protector Strong Plastic Storage Moving Bag | eBay
2x Heavy Duty Mattress Protector Storage Bags King Queen Single Bed Moving Cover | eBay
MATTRESS COVER Double/King/Superking for Moving or Storage (Large Polythene bag). It is manufactured to the standard required by Removal Companies and is sufficiently strong for normal use. : Amazon.co.uk: Home & Kitchen
Move n Store Plastic King Size Mattress Cover 2286 x 1930 x 356 mm : Amazon.co.uk: Home & Kitchen
Extra Deep Waterproof Mattress Protector Super King Bed Size