Catit Design Senses Comfort Zone Elevated Bed Perfect for stimulating and pampering cats of all ages Provides a cozy place for cats to chill out on hot days or to help relieve arthritic pain Equipped with multi-purpose massager that provides intense rubbing pleasure to the head, neck and face Elevated design accommodates additional placement of Catit Senses circuits underneath for added sensory stimulation and exercise (sold separately) Cooling Instructions: Refrigerate cushion for a minimum of 3 hours; DO NOT MICROWAVE