This inflatable toddler bed is very easy to inflate. It uses double-cap valves. The upper black air valve is a one-way air inlet for infiating or replenishing gas. Bottom transparent air valve can be quickly inflated and deflated. Open the upper transparent. Blow air into black air valve firstly untill it is 90%,Keep blowing into he small black valve till desired hardness. Close the transparent cover to prevent gas leakage and can e used.