Doc Johnson Novelties Platinum Premium Silicone line The Mini's Bubble Medium Black 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 Mini in size Medium offers 3.5 inches in usable length with a 1 inch diameter. Available in Black and Pink. Hypoallergenic and Phthalate-free. Details: Total Length 3.80 inches. Usable Length 3.40 inches. Width/Diameter 1.10 inches. Circumference 3.45 inches. Proudly Made in America.