Groove Thin Specs:
Groove Ring is the first breathable active silicone ring. It is tough, low profile, and comes with an UNLIMITED Lifetime Warranty. It is the last ring you will ever buy! Groove is for the athlete, the adventurer, the professional, the trend setter. It begs to be worn, shown and tested everyday no matter what the circumstance.
Made from 80 durometer medical grade silicone, Groove is the first and only active ring to be liquid poured. This means fine detail and perfect design with little to no mold marks or flaws. Groove silicone is resistant to most common chemicals including gasoline, oil, diesel, & household cleaning products