Material: Silicone Colour: black Size: please check the picture in Features: boat anchor design, fit hook and loop, durable silicone material, easy to store and clean. Steps of use: 1-Choose the right size anal plug and clean it 2- Apply the right amount of lubricant on the top of the anal plug so that the anal plug is easy to use 3-Push in the anal plug gently and use it by yourself, don't overuse it to avoid damaging the body 4-Clean it again after use, dry it and keep it in a cool place.