Inspired by the natural shapes of the ocean.  - Waterproof - Wear it in the sea, pool or in the shower- Heat and sweat resistant - Wear it during workout- No discolouring or tarnishing- Hypoallergenic (No green skin)- Lifetime warranty- Designed in Copenhagen  Size: One size. The bracelet can easily be tightened / extended by hand, so it fits exactly your wrist - (Fits more than 95% of our customers)