SIZE: 18.1" x 16.1" x 1.77" Assist in the prevention， relief， and recovery of orthopaedic， coccyx， lower back and tailbone pains.

Alleviates pressure points， disperses body weight & promotes good posture， instantly conforms to body contours

Featured Cooling Vents/Massage Convexes design offers great air circulation while sitting

Gel never permanent deform even after prolonged usage and always regain its supporting shape.

Antimicrobial， water-resistant cover & skid-proof shield bottom. One Year Hassle Free Warranty.