Sunbrella brand fabric is made for all weather conditions. 100% Acrylic fabric material. Back dimensions: 28″ deep x 18 1/2″ wide. Seat dimensions: 22 1/2″ deep x 18 1/2″ wide. Foot dimensions: 18 1/2″ deep x 15 1/2″ wide. Cushion core made of Dacron fiber for outdoor use.