Dimensions: Height:18" Width:20" Depth:17 1/2"

Features: High impact plastic frame

Compression foam padding

Plastic Sealed to resist moisture

Heavy duty 28 oz. Marine-grade vinyl

UV Treated to resist Mildew and fading

T- nut construction

Mounting screws included

Less Swivel

Warranty Wise Hi-Back Molded Plastic Seats feature a 6 year warranty on the frame and 3 year warranty on upholstery