accuratus MOUNA-SIL-UCBK - An Accuratus product the Accumed MOUNA-SIL-UCBKHY is a fully sealed silicon black USB&PS/2 mouse made up of a Rigid Silicone chassis with NanoArmour 2 layer antibacterial protection impregnated into the silicone and coated on the surface. IP 67 rated it i (2Years warranty)