But in reality, high quality silicone straps replica watches sale require a clean room, are cured, cleaned, shaped/trimmed, vulcanized, and coated such that it possesses the quality and replica watches sale durability levels fitting for a Rolex watch. Many people associate silicone with rubber, but in reality they are entirely different. The only things that are “rubber” are items made from the material replica watches sale directly from a rubber tree. Everest Horology uses “medical grade silicone rubber” that is an exacting specification that replica watches sale exceeds FDA standards and must have zero reaction with the human body. One of the noticeable aspects of the Everest EH-1 Band is that it stretches slightly and has a somewhat swiss replica watches spongy feel. Despite the sponginess, the strap is made of medical-grade silicone and is vulcanized like all other rubber straps replica watches found on quality Swiss watches.