Brighten up any celebration with this eye-catching rainbow number 1 balloon — perfect for 1st birthdays, 10-year anniversaries, and more! Featuring a vibrant foil finish, it can be easily inflated with helium or air and displayed with a balloon weight and ribbon. Measuring approximately 86cm (34 inches), it’s sure to make a colourful statement at any party. Please note: this balloon is delivered uninflated and may conduct electricity — always use counterweights and avoid metallic ribbons.