Grey Shark Bed for Small Cat Dog Cave Bed With  Removable Cushion,waterproof Bottom Material:Superfine fiber cloth+oxford cloth+PP cotton filler;For pet within 4kg Diameter:(outer)42x42x37cm/16.5x16.5x14.5inch,(inner)37x37x37cm/14.5x14.5x14.5inch Self-warming material radiates heat back to your pet;Anti slip and damp proof Etra thick stuffed fill for maximum comfort Leegoal bulk packing with good quality warranty.