This male masturbator cup comes with a removable inner sleeve that allows you to adjust tightness and stretch for a customized experience. Made from sturdy TPE, its interior texture features a combination of bumps and folds that provide detailed stimulation from the entrance to the midsection, creating a tight, enveloping feel. The design simplifies cleaning and care. For best performance, use a water-based lubricant before use and dry the sleeve thoroughly with a moisture-absorbing tool after washing, avoiding direct sunlight. The (Cup A) includes a rigid outer shell and a flexible inner sleeve with two different openings (Vagina and Anus) (Cup B) is a sleeve only for durability and enhanced pleasure.