Size Matters ease in Rectal Anal Dilator Kit from XR Brands. Anal dilators come with 5 different size butt plugs. Increase your potential. Train yourself up to the majors with this dilator kit. This kit allows you to start off small and at your own pace step up to a bigger size. Once you get to the last plug, you will be ready to take anything that comes your way. Size of Butt Plugs: Mini Butt Plug 1 inch diameter, Small Butt Plug 1.25 inches diameter, Medium Butt Plug 1.50 inches diameter, Large Butt Plug 1.75 inches diameter and Extra Large Butt Plug 2 inches diameter. Length ranges from 3.25 inches to 5 inches. Made using Thermoplastic Rubber TPR.