With its new Self Lubrication Technology (SLT), this dong is always ready. Features a suction cup for hands-free fun. No lubricant is needed. Just add a little water or saliva on the inside. After use just wash, preferably with toy-cleaner. The SLT will last for about 30 times. After that, the toy can be used by adding some lube manually. Waterproof. Measures 1.8 in. by 8.3 in.