The inner sleeve contours provide thrilling sensations whilst the open edge of the Hand Solo means it is partner friendly fun all the way. The bullet can be removed for two toys in one. Hand Solo is 100% waterproof and easy to clean. With the batteries included, just lube up and go. Size: 116mm x 80mm x 45mm. Battery Type: 1.5Volt N size / LR1.Waterproof: Yes.