The main color of the balloon set is rose gold. All balloons are made by natural latex and the other balloon accessories are made by PP material. All materials are of high quality and safety very durable. The balloon kit contains four size latex balloon different sizes of balloons can make the combination more hierarchical. GuassLee Rose gold balloon kit super easy to make balloon garland or arch look gorgeous. Just take 30 minutes to assemble easily. Please follow the specification to make garland or arch inside the packages.