Span America Gel T® Seat Cushion Size 15 by 15, 1 Each Exercise Physical Therapy 5 )balls are available in Style:1 Pair (Left & Right) 5 )balls are available in 6 different weights * Easy to grip soft shapes are ideal for home or gym use * Includes guide that demonstrates proper exercises for a variety of applications * Shipping Carton Size: 16 L x 14 W x 12 H This bench can be assembled to face either the right or the left (with the side panel with handlebar installed on either the right or left side of the bench) Provides excellent pressure redistribution and pain relief for those at moderate risk of pressure ulcers 18 month warranty