Aluminum Frame Is Lightweight Durable And Corrosion-proof Blow-molded Bench And Back Provide Comfort And Strength Quick Tool-free Assembly Wide-based Secure Tips Help Increase Stability Legs Are Height Adjustable With One-inch Snap Button Adjustments Color: Relaxing Gray Overall Dimensions: 18.5 W X 21 D Seat Dimensions: 16 W X 13.5 D Adjustable Seat Height: 17.5 - 21.5 Weight Capacity: 300 Lbs Warranty: Limited Lifetime On Frame 1 Year On All Parts