It fits like a glove but is so much more versatile. This is the Buck Shot™ Silicone Buddy #01 made from a hygienically superior silicone. It's a soft, stretchy textured sucking stroker that is sure to please. Included is a free sample of lube for pleasure right away! Stroker measures 4 inches long un-stretched and has an un-stretched circumference of 4.75 inches with no exit hole.