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) If you want the arch balloons modelling is full and big, you can buy two bags. Item Specifics: Material: Plastic, Type: Arch Balloons Connectors. Package Include: 50/100Pcs Balloons Arch Buckles