Mini Ass Anchor Dilating Anal Plug Black. Master Series best selling Ass Anchor now comes in a smaller size! Its unique anchor shape allows it to close to insert like a classic butt plug, but expand once inside to keep in securely in place. Applies pressure on the P-spot and provides an incredible feeling of fullness. The firm, flexible material and flared base makes removal easy as well. Measurements 2.75 inches in total length, 2.5 insertable, 1.5 inches in diameter at smallest point, 3 inches in diameter at widest. Material Thermoplastic Elastomers TPE. Color Black.