Air is a super sleek, lightweight and aerodynamic cock ring designed to beef up your unit while remaining comfortable.Made from a super-soft stretchy blend of silicone and TPR. Built-in air holes help keep you feeling cool; and if you’re into electro play, those same air holes can also be used to fit Oxballs 4mm electro contact posts (sold separately) to transform your cock ring into an e-stim toy.