Highlights About this item: 1. SET BY PIECE/NOT A SET: It's one piece not a full set, a complete set of sofa cover need to be purchased in multiple sizes, such as backrest covers on ① position, armrest covers on ② position, seat covers on ③ & ④ position. 2. HOW CHOOSE A SIZE: Armrest Cover according to the length of L2; Backrest Cover according to the length of L3; Seat Cover Please choose L1*(W1+20~30cm), (L4+20~30cm)*(W4+20~30cm), We suggest that please choose a larger size. 3. EASY CARE: Machine washable, Wash in cold water on a gentle cycle with mid laundry detergent, Do not use bleach, Iron on a low heat. 4. SLIGHT COLOR NOTE: Please note that slight color difference should be acceptable due to the light and screen. HOW CHOOSE SIZE DETAILS NON SLIP EASY CARE Photos