Package Contents: Balloon Boost Gel for 50 Balloons, Includes Pump Quantity: 1 piece Volume: 150 ml (includes pump) Float Time: at least 2 days instead of 5–7 hours Usage: Pump the correct amount of gel—we recommend using 0.5 pumps per balloon—into the balloon, rub the BalloonBoost gel into the latex balloon, and then fill it with helium. Suitable for: 65 23-cm latex balloons (balloons and helium not included)