Daddy has a rubbery sack modeled after our best-selling Sacksling design. The thick. squishy sack stretches to encase your balls for a pair of even beefier bull nuts. The super soft material stretches as your cock grows. making you thicker n` longer than ever before. It is not recommended to be used with silicone lubes. Materials: -Flex-TPR (ThermoPlastic Rubber)Measurements:-Length: 10 inch-Insertable Length: 7.5 inch-Inner Insertable Length: 6.25 inch. 5 inch(with nub )-Width: 1 inch to 2.07 inch-Weight: 18 oz