The Scruffs® Armour-Dillo bed is part of their memory series of orthopedic pet beds. These chew resistant dog beds feature a dense foam core with an orthopedic memory foam topper. This memory foam topper molds to the shape of the dog’s body, achieving a greater level of comfort and support. An egg-crate memory design allows more movement & flexibility of the Armour-Dillo’s ballistic cover, for improved comfort.