Mason Rechargeable Silicone Remote Control Anal Plug from Maia Toys. Take your anal play to the next level with Mason. Mason is a 15 function vibrating anal vibrator complete with a rechargeable remote control. Mason is made of body safe 100% medical grade Silicone and is both waterproof and submersible. USB Rechargeable both Vibrator and Remote control. 15 functions. 100% top Medical Grade Silicone. Waterproof and submersible. Color Black. Item dimensions length 9.3 inches.