Safety rule: Must measure a minimum of (1.32 m) 52'' tall. The minimum weight for riders is (45 kg) 99 lb and the maximum weight is (136 kg) 300 lb. Glasses, t-shirts, pants, burkinis or any additional clothing are strictly prohibited. Swim wear with zippers, buckles, rivets or metal ornaments are not permitted. Riders must stand on the platform with legs firmly crossed at their ankles and arms folded across their chest. Not recommended for pregnant women, people with heart conditions, back or neck problems or people with claustrophobia.