Dual Comfort Chair Cushion 18 W x 16 D X 4 H Maternity Posture Support ProBasics Deluxe Aluminum Rollator with Color:Red ProBasics Deluxe Aluminum Rollator with 8 inch Wheels Blue Finish 300 lb Weight Capacity Poise bar lock in for error free operation * Sanitary ABS plastic tray with built in measuring tape provides safety reads up to 23 x 1 4 (58 cm x 1 cm) * Weight capacity: 130 Lbs x 1 Oz * 1 Year Limited Warranty * Shipping Carton Size: 13 L x 11 W x 4 H * * Seat dimensions: 25 L x 13 W x 6 3 4 D Designed for long term users of wheelchairs * Provides comfort for an entire seat or chair with soft comfortable covoluted foam and ties to secure it * Seat size is 18 W x 16 D X 4 H Back Size is 18 16 x 3 * Helps promote good posture while cushioning the body preventing sores and offering a slip free seat