Package included: 1pc bobo balloon+1pack Glitter Powder Size before Inflation 18 inch, size before inflating, diameter is 18cm, recommend inflating it into 35cm, the most important is diameter is 40cm 20 inch, length before inflating, diameter is 20cm, put forward inflating it into 40cm, the largest is diameter is 50cm 24 inch, length before inflating, diameter is 24cm, recommend inflating it into 50cm, the biggest is diameter is 60cm 36 inch, length earlier than inflating, diameter is 36cm, put forward inflating it into 70-75cm, the biggest is diameter is 90cm 10 inch, length before inflating, diameter is 10cm, recommend inflating it into 20cm, the largest is diameter is 25cm Recommend filler in balloon: light weight product, akin to nail glittler flake, paper confetti, foil confetti, feather, larger not over 10g, if too weight, balloon couldn't fly after filled with helium If you want put small balloon inside, first inflate bubble balloon to round form at first, then release air, put small balloons within the bubble balloon, inflate small balloon, turn the air port into a knot, until every single small balloon is inflated in the end inflate the bubble balloon again, it's essential to use helium or air, air balloon can't fly WARNING: Please inflate with ordinary air or helium, DO NOT inflate hydrogen or different flammable and explosive gases The elasticity of this balloon is awfully good, please be at liberty to inflate it Please keep infating till the skin is delicate like our picture, no any winkles If there's wrinkles, that means you've not inflated sufficient air, it's best to move on infalting the step to use the ball 1 train a balloon pinch the edge of balloon 2 the balloon horizontally and twice, reverse direction, pull the balloon vertically and forcefully again, till every edge is completed three use a helium bottle or pumps to inflate through the air port 4 on the inflation port, start at 2cm from the balloon and switch it down, turn the air port into a knot to finish Note: once you get hold of the balloon, it's very small size, please pull the sting of balloon flippantly earlier than inflating balloon use inflating balloons tools, equivalent to balloon inflator or pump, slowly inflating, if it is flat, preserve inflating, till the balloon involves be round, this pvc balloon is elastic, ultimately it will change into ordinary 18 inch around balloon, please don't be concerned