Simply inflate with a hand/foot pump or rechargeable/plug-in air mattress pump until most of the wrinkles in the float material have smoothed. Do not over-inflate in attempt to remove all wrinkles. Float should feel firm to the touch; however, it is not recommended to inflate until hard. To deflate, open the plugs and pinch the base of the valve while applying light pressure to the float to cause the air to escape. Make sure that the float is completely dry before deflating so there's no moisture left behind. Fold it up and pack it away until next time. Pump not included.
WARNING: This is not a life-saving device. DO NOT leave children unattended while this device is in use. Never allow jumping onto or from this product. Never leave in or near the water when not in use. Use only under competent supervision. Follow these rules to avoid drowning, paralysis, or other serious injury. Recommended for swimmers, aged 12+.