CHOKING HAZARD ? Children under 8 yrs. can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons at once. Note: when you receive the balloon, it is very small size, please pull the edge of balloon evenly before inflating balloon. use inflating balloons tools, such as balloon inflator or pump, slowly inflating, if it is flat, keep inflating, till the balloon comes to be round, this pvc balloon is elastic, finally it will turn into normal 18 inch round balloon, please don't worry. The step to use the ball 1. prepare a balloon. pinch the edge of balloon 2.pull the balloon horizontally and twice, reverse direction, pull the balloon vertically and forcefully again, till every edge is done. 3. use a helium bottle or pumps to inflate through the air port. 4. at the inflation port, start at 2cm from the balloon and turn it down, turn the air port into a knot to complete. The elasticity of this balloon is very good, please feel free to inflate it. Please keep infating until the surface is smooth like our picture, no any winkles. If there is wrinkles, that means you haven't inflated enough air, you should go on infalting.