Titanium Rainbow RingTitanium rainbow ring with recycled skateboards wood Wooden box included. 100% Waterproof This ring is 7mm width, 1,5mm thickness and glossy style. Our rings are impregnated with a special water resistant cover that is neutral for skin. We are focused on the high quality of our products. We spend 3 6 hours on each ring. Every ring has 5 YEARS WARRANTY for damages not caused by the user.