This velvety-smooth and completely adjustable silicone O-ring gag is perfectly designed for comfortable but secure restriction. Stretch and open your sub’s lips for a variety of play options with this beautifully crafted toy! de from medical-grade and phthalate-free silicone the O-ring is rigid but gently on the teeth. The leather strap is fully adjustable and has a sturdy metal clasp for secure tightening. This O-ring strap has a total length of 57cm (22.5”). The inner diameter of the flexible silicone ring measures 4cm (1.6”)