This inflatable dildo gag will certainly keep the doll in pleasured silence using its expanding penis mind formed gag, and comfy leather mind straps. The gag is inflated using a pressure bulb, easily pumped by hands. To deflate, just turn pressure dial for any quick release. This devious piece takes place in position by adjustable leather straps, guaranteed with a buckle that accepts any small standard lock if you want to secure them further. The gag itself consists of odor free, tasteless, phthalate-free silicone. Measurements: Strap: Fits heads between 16 inches and 21 inches in circumference, .75 inches wide Gag deflated: 2.25 inches long, 1.5 inches across Gag inflated: 2.5 inches long, 2 " across. Material: Silicone, leather, metal. Note: Locks not incorporated