Leather Gag Collar with Silicone Ball. This classic 1.5 inch in diameter silicone ball gag is sturdy and ready for play! 1.25-inch wide collar with clean-cut edges, without stitching, and made with the finest European craftsmanship and comfort to last for years with adjustable buckle closure. If you want to try the exhilaration found with a little sensory deprivation, this is a great start to send you over the edge!