Oxballs Sack Sling Your balls will feel amazing encased in this super elastic Sack Sling . Wear it during intercourse or just wear it under your gear. Slick it up inside and out with water based lube, put your penis through the front hole, drop your balls inside the sack. There's a build in ball ring that helps keep your balls in the sack. Features a drain hole bold head under each ball. Key Features: Color: Black Material: Silicone/TPR hybrid Cock and ball hole diameter 4.45 cm Cock hole diameter: 2.5 cm Ball hole diameter: 2 cm Length: 12.5 cm Manufacturer: Mister B - Oxballs