A natural 100% bio-degradable hessian cover for the Superior Pet Goods Raised Dog Bed or Mat. Both durable and comfortable for your pet, the old faithful hessian cover will withstand the harshest environments and will hold its own even when exposed to moisture and the elements. Constructed from natural fibres found in the jute plant this dependable cover has an innate stretch which allows your pet the comfort to nest. It’s also breathable and being a natural fibre means it’s well suited to pets and homes with allergies. Each Hessian Bag is treated with vegetable oil only, no nasty chemicals!