Memory foam dog beds are especially important for larger & older dogs because they often have ailments that cause them to need extra support & cushioning while lying on the floor. Our Memory Foam Dog Beds help to support your dog’s joints & keep them from getting stiff while they sleep which helps to avoid unnecessary joint pain caused by lying down for long periods of time. Available in a choice of sizes & patterns, all our Memory Foam Dog Beds have removable machine washable covers Small 20" X 30" X 3" (51cm x 76cm x 7.6cm) Medium 30" X 39" X 3" (76cm x 99cm x 7.6cm) Large 36" X 48" X 3" (92cm x 122cm x 7.6cm) Comprising 2" deep reflex support foam & 1" special grade Memory Foam. Please note it is no use having 100% memory foam as your pet will simply sink through with no support at all Please see our other styles of pet beds each offering the unique superior support your dog deserves we also make bespoke dog beds to any size please phone with your requirements