This Crate Mattress is a perfect match for your dog’s crate or in any room of your house. Our crate beds are made from sorrel convoluted mattress foam for the ultimate comfy sleep. The perfect bed for any cosy crate that is great for both hot and cool days. Complete your stylish bed with a spare bed cover, and a Crate cover! • Encased sorrel convoluted mattress foam Please note: mattress foam is encased. Mattress colour is white - cream - light yellowish. Depending on batch as we have avoided using synthetic dyes to colour. • Cover has a handle and zipper opening for cleaning. • Machine wash cover only • Lightweight and portable • Memory foam mattress is vacuum sealed for distribution - it requires 48hrs open and laid flat on a hard surface for its correct shape to pop up evenly. As it is memory foam, once opened, if parts have not returned to shape, you may need to squeeze to plump back to original shape.