Whether you're a booty beginner or a seasoned pro, there's always fun to be had with this trio of glass plugs.

With three unique sizes, you can make progress at your own pace. Train your muscles for strength and endurance, working your way up to the largest plug. The tempered glass is smooth and non-porous, and with proper care will last years.

Run the plugs under warm water to bring some warmth to your backdoor, or pop them in the fridge for a thrilling chill.