This Floating Strap is Made of Premium Neoprene & Pe Foam to Floating Waterproof Devices Up to 6 Ounces Each, No More Worries About Losing Your Valuables While Enjoying Your Water Sports. It has Wide Range of Compatibility. Cellphones, Sunglasses, Keys, Camera & Etc. the Inner Diameter of This Strap is 2 3 & 4, Large Enough for Almost People. Comfortable Wrist Strap Easily Slips Onto Your Wrists & Gives the Freedom While Swimming, Snorkelling & Diving. Suitable for Many Water Activities, Such as Boating, Fishing, Whitewater Rafting, Canoeing, Sailing, Jet Ski, Water Skiing, & Other Outdoor Water Sports. Custom Logo is Available.