FIROMI 40 Number Balloons Black Big Foil Mylar 40th Balloon Numbers 40-inch

FIROMI 40 Number Balloons Black Big Foil Mylar 40th Balloon Numbers 40-inch

• The Most Suitable Application: The bright black 40 balloon numbers foil Mylar balloons are the perfect pick for decorating various occasions, such as 40th birthday party,wedding,graduation anniversary,business,events,Halloween,Christmas and New Year party .You can easily stick these black 40 balloon numbers on wall,window or door,inflate them with either helium or air,and even place them on bed, floor or table to create a delightful display for your party or home.
• Package Includes: 2 pieces of 40 inch black number Balloons:No.4 black number Balloon + No.0 black number Balloon + 1 straw for inflation.
• Why Choose Them: Our black number balloon are crafted from high-quality aluminum.The unflated balloon measures 42 inches,and once filled with helium or air, it's shrinks to a perfect 40 inches. Please use the straw provided in the balloon set to inflate them gently and slowly.
• Tips for Number Balloons: Due to the thermal expansion and contraction of aluminum foil,we recommend not filling the balloons with more than 90% air or helium. Overinflation can cause balloons to burst easily at high temperatures.Also, avoid leaving the balloons outdoor in high temperature environments for extended periods.If the ambient temperature drops too low,the balloons may deflate.But you can easily use the straw to reinflate again.
• Service: We do our best to provide our customers with the best possible products. If you have any questions or concerns, please don't hesitate to reach out to us. promptly,We'll be more than happy to assist you and provide timely feedback.