Doc Johnson Novelties Platinum Premium Silicone line The Mini’s Bubble anal plug. You are sure to enjoy some serious satisfaction with this petite Bubble! Made of Platinum Premium Silicone, this anal plug features three graduated bead-like ripples for increased stimulation, a velvety matte finish, ergonomic flat base, and ultra-flexible design for easy wearability. The perfect size for beginners, the Bubble in usable length. Hypoallergenic and Phthalate-free. Proudly Made in America.