This inflatable dildo gag is sure to keep your plaything in pleasured silence with its expandable penis head shaped gag, and comfortable leather head straps. The gag is inflated by means of a pressure bulb, easily pumped by hand. To deflate, just turn the pressure dial for a quick release. This devious piece is held in place by adjustable leather straps, secured by a buckle that accepts any small standard lock if you wish to secure them further. The gag itself is made of odorless, tasteless, phthalate-free silicone. Measurements: Strap: Fits heads between 16 inches and 21 inches in circumference, 0.75 inches in width; Gag deflated: 2.25 inches in length, 1.5 inches in diameter; Gag inflated: 2.5 inches in length, 2 inches in diameter. Material: Silicone, leather, metal. Note: Locks not included.