Metal Balloons Expansion Pliers Filling Balloon Mouth Expander DIY Tools For Transparent Bubbles Ballons Filling Confetti. Features: 1.Balloon expansion tool for balloon inflation. 2.Easy to create a warm atmospheres. 3.Light weight and easy to carry. Specifications: Material: Plastic Steel. Size: 21*10cm. Color: Blue, silver. Package included: 1PC x Balloon Expander Tool. Note: 1. Due to manual measurement, there may be an error of 0-1cm, please understand. 2. The color difference may vary depending on the monitor settings.