Enjoy more ways to play with a versatile gag set that includes 3 different sized balls. Find the perfect fit or force your playthings mouth open wider and wider just for fun! Select the size you want and snap the gag into the strap. The ball gag system comes with one strap that adjusts to fit most sizes and buckles at the nape of the neck. Its soft interior feels luxurious and comfortable against supple cheeks. The 3 balls are made of odorless tasteless silicone and are non-porous for an easy sanitization.