WELCOME TO BIG EYE OWL PARTY BALLOON STORE.Why Not Decorate Your Baby Shower Party With These Pretty Gold Letter Mylar Balloons?COLOR: GoldSIZE: 40 inchMATERIAL: FoilHOW TO USE MYLAR GOLD LETTER BALLOONS?Find the Self-sealing ValveUse a straw or an air pump to inflate gold letter balloons. Blow air into the balloons must be slow, the available pump charge to 90%~95%. If there are 2 layers of aluminum foil sticky situation, must stop inflating, Separate the 2 layers of aluminum foil, otherwise it is easily damaged. Can be removed straw or pump from number balloon, and the balloon can be self-sealingCan be reused, use a long straw to deflated balloons after party end.WHAT OCCASION NEEDS GOLD LETTER BALLOONS?Girl Birthday Party, Baby Shower,pregnancy announcement and decoration on various occasions and so on.BALLOON TIPS:A foil balloon can appear deflated in cold air, but it will fill out when warmed up.Do not expose foil balloons to extreme heat or they can burst.