Balloon Arch Kit 3IN1 Decojoy multifunctional balloon arch kit is the latest exclusive patented product from our company. It has integrated three tools, which includes a pair of 5.3ft height-adjustable metal balloon columns, a 8.7ft height-adjustable arch, and a 7.5ft diameter-fixed round backdrop stand. You can use any of them according to the occasions and you don't have to waste money on other disposable balloon decorating kits again. Easy Setup and Use 1. Setup--No tools required, you can complete the construction of balloon floor columns, semi-circular or circular structures in just 5 minutes.(time for balloon blowing and tieing is not included). 2