This product is either discontinued or we cannot get that from suppliers.
Man And Machine PM/W5, Silicone Rubber, 100% Latex-Free, Optical, USB Mouse, 5 Volt, Power 26mA (Max), windows and mac, Hygienic White.
The mouse is compact in size and features a 5-buttons designed for right and left clicking and scrolling up and down just like to a conventional non-waterproof mouse.