ohreally:

iknowwerecool:

foreskin:

The average adult foreskin consists of 1½ inches of outer skin, 1½ inches of inner mucosal lining — totaling a length of 3 inches — and is 5 inches in circumference when erect. This amounts to a surface area of 15 square inches, or a surface area equivalent to that of a 3” by 5” inch index card!

ohreally:

iknowwerecool:

foreskin:

The average adult foreskin consists of 1½ inches of outer skin, 1½ inches of inner mucosal lining — totaling a length of 3 inches — and is 5 inches in circumference when erect. This amounts to a surface area of 15 square inches, or a surface area equivalent to that of a 3” by 5” inch index card!