Xihuimay Number 31 Balloons 40 inch Digital Balloon Alphabet 31 Birthday Balloons Digit 31 Helium Balloons Big Balloons for Birthday Party Supplies Wedding Bachelorette Bridal Shower, Black Number 31

Features: Material: Aluminum Foil Quantity: 2pcs/pack Color: Black Size : inflatable diameter approx. 33.5", before inflated diameter approx. 40"How to use? There are holes on the bottom and top of

Material:Aluminium Foil., Color: Black., Can be inflated by air or helium, self-sealing valve, convenient inflation and deflation., Great Decoration for Graduation, Birthday, Wedding, Bridal Shower, Bachelorette, New Year Eve or Other Party Occasions.