Size: 8cm Features: - Lightweight,strong, durable and long lasting. - Easy and convenient to use. - Stainless steel D ring is secured attached to the patch. - Suitable for PVC inflatable boat, raft, dinghy, kayak, canoe, SUP, surfboard. Package Include: 1pc Surfboard Dinghy Boat Accessories(As your choose) Notice: 1.Transition: 1cm=10mm=0.39inch. 2.Please allow 1-2mm error due to manual measurement and make sure you do not mind before ordering. 3.Please understand that colors may exist chromatic aberration as the different placement of pictures.