Trinity Vibes 4 Piece Vibrating Anal Plug Set Black from XR Brands. Excellent for adventurous beginners to backdoor play, this vibrating anal plug set includes three stimulating shaped plugs and a buzzing bullet vibe. Explore anal pleasure with 10 modes of vibration, including 3 speeds and 7 pulsating patterns. Just slide the petite bullet vibrator into the base of the plug you want to play with, whether you feel like a classic shape, an exciting bulb or three pops of pleasure. <br /><br />Each plug is smooth and tapered for your comfort. The easy to use button operation makes play time hassle free and the contoured bases keep each plug safely in place between your cheeks. This firm, yet flexible material is phthalate free and compatible with water based and silicone lubricants. The bullet is even waterproof for easy cleaning or use in the shower. <br /><br />Measurements: bulb butt plug is 4 inches in total length, 3.75 inches insertion length, 1.25 inches maximum diameter. Ribbed butt plug is 4.25 inches in total length, 4 inches insertion length, 1.25 inches maximum diameter. Classic butt plug is 4.75 inches in total length, 4.5 inches insertion length, 1.25 inches maximum diameter. Materials Butt plugs are made using Thermoplastic Rubber TPR, Bullet vibrator is made using ABS plastic. Color Black. Note bullet vibrator requires 3 AG13/LR44 batteries, 6 are included.