Create a celebration to remember—with balloons! This helium cylinder gives you the convenience of filling latex or foil/mylar balloons anytime, anywhere to instantly transform an everyday space into a celebration. The tank fills up to (30) 9" latex balloons, (16) 11" latex balloons or (16) 18" foil/mylar balloons in just three easy steps. Latex balloons will float approximately 5 to 7 hours while foil/mylar balloons will float up to four days. Please note that temperature and altitude will affect helium float time. Note: Balloons sold separately. Details:Fills 30 (9") or 16 (11") latex balloons Fills 16 (18") foil/mylar balloonsContents:Portable, lightweight, easy-to-use, recyclable helium tank (8.9 cu. ft.)Spool of white curling ribbonWARNING: Contents under pressure