This All Black buttplug is extremely smooth and features a nice widening in the middle, which greatly stimulates the anal area. It is definitely recommended for the user looking for a firm yet amazing toy. Water-based and silicone-based lubricants can be used. It is important to clean the buttplug thoroughly after use. For easier insertion and cleaning of the buttplug, Kiotos lubricants and Toycleaner are recommended. Each toy is packaged in a transparent plastic protective case. Phthalate-free - No cadmium and lead.