The body cap from OP/TECH USA is the accessory that professional and amateur photographers alike have been waiting for! While storing A camera body separately from a lens, It protects the internal parts of the camera body. It features a unique Thermoplastic rubber seal which is molded as an integral part of the cap. This unique feature effectively grips to the camera body and forms a friction fit to lock out damaging dust and moisture. The main portion of the body cap is made from a durable polycarbonate material to withstand the rigors of daily use. The customized fit and solid construction are designed to provide years of protection.