【RAINBOW NUMBER BALLOONS】You will receive 40 inch rainbow foil number 6 balloon and 1pc straw, for easily inflate and deflate.The size of the digital balloon before inflation is about 31-33in, and the size after inflation is about 40in.We provide 40 inch 0-9 giant number,you can select the number balloon you want for decoartion ! 【HIGH-QUALITY MATERIAL】The rainbow number balloons are made of high-quality aluminum film, and not easily damaged, after inflate that can hang it on the wall for 8 days or even longer without air leakage. You can use the straw in the balloon set to inflate and deflate it slowly. 【EASY TO USE 】The big number balloons have self-sealing valve,you can slowly to inflate using the straw or an air handheld pump,please avoid filling more than 90% of air or helium,prevent the balloon from bursting due to over-inflation,After filling the balloon,and it can be completely glued by pinching. 【WIDE APPLICATION 】The 40 inch rainbow number foil balloons can perfectly decorate any birthday celebration,anniversary, graduation, party, weddings, new years,Halloween or Christmas and many other party decoration, and is also a great photo prop,that will surely create a remarkable party ever! 【NUMBER BALLOON TIPS】Please keep the number balloon away from any heat source or sharp points to avoid melting and breaking.If the ambient temperature cause the balloon to deflate,you can use the straw to inflate again. Cause the rainbow number balloons are in gradient rainbow colors and are randomly printed, the color distribution of each balloon is uneven. 【PLEASE NOTE】 It is not that both sides are rainbow-colored and transparent. One side is rainbow-colored and transparent, while the other side is opaque silver.