yueton Pack of 50 Decorative Decor Balloon Rings Balloon Arch Folder Convenient Clip Multiple Accessories (Balloon Clip only ,others not included) These arch rings will help you to make your balloons display be easy! Each ring needs 4 balloons, you just inflate your balloons and tie , then slot the balloons knot into the ring. At last, slide your rings over your display poles.(Base to be filled with water) Outer diameter: about 3.4 cm / 1.3"; Inner diameter: about 3.1 cm / 1.2";Height: about 2.2 cm / 0.9". Material: Plastic; ColorAs the picture shown.NOTE:Plastic Balloons Clips only ,others not included