The Fanny Hills Silicone Butt Plug features seven distinct functions, providing a versatile experience with inflatable and vibrating capabilities. This expandable butt plug can grow to a size of 2 3/4 inches, allowing for customized comfort during use. The design includes an air release button for easy adjustment. It is made from phthalate-free materials, ensuring safety during use. The butt plug is also waterproof, making it suitable for various environments. With an insertable length of 4 inches, this product is designed for enjoyable experiences. Note that it requires two Triple AAA batteries, which are not included. Color: Black. Manufacturer: Nasstoys.