Features reversible, cotton cover with stipple/paw prints on one side and plaid on the other. Removeable inner bed and zippered cover are safe for washer and dryer use. Lightweight design is ideal for easy handling to provide pet maximum comfort anywhere and anytime. Patented interlocking fill cradles pet’s body for optimal support of joints and muscles. Recommended to put in the dryer for 15 minutes prior to first use. Small measures 18" x 24" with 2" gusset. Medium measures 24" x 36" with 3" gusset. Large measures 34" x 45" with 4" gusset. 10 year warranty.