Feature: It is a recycle balloon no extra knot, automatic sealing; rechargeable nitrogen, hydrogen (which can be floating). Decoration: Wedding, birthday parties, Christmas Feasts, children playing, the game rewards, etc. Special Note: 1. Must be inflated slowly, can pump to 90% then use a straw to blow, to control volume, in order to avoid bursting. In case of two layers of aluminum foil sticky encounter, it's sure to stop inflation. Pull two layers of aluminum foil gently and then inflate, otherwise you will damage the balloon. 2. Sharp objects / dirty ground / direct sunlight and excessive extrusion are easy to damage the ball's skin. 3. When folding the aluminum foil ball, you have to make it as flat as possible and keep it dry. 4. Due to thermal expansion and contraction of gas or the temperature' s change, the foil balloons should be appropriate to the filling gas, in order to avoid bursting. General helium / hydrogen can only float after 6-14 hours, so helium, hydrogen must be filled in using the day (Pay attention to safety). Description: Material: Foil Color: Gold, Rose, Red, Silver, Green, Blue, Purple Shape: Star Type: Foil Balloon Occasion:Wedding, Birthday Parties, Christmas Weight:2g Detail In Size:Diameter:About 25.4cm/10 (1cm=0.39inches) Package Included:1* foil star balloons More Detail: Gold Rose Red Silver Green Blue Purple Disclaimer : About Size:Size may be 2cm/1 inch inaccuracy due to hand measure.These measurements are meant as a guide to help you select the correct size. Please take your own measurements and choose your size accordingly.we cannot accept responsibility for incorrect purchases. About Color:The precise color of the items may vary depending on the specific monitor,the settings and the lighting conditions.The items colors depicted should only be used as an approximate guide .