Description: 【Material】Balloon Sizer Box Cube is made of quality pp material, which is durable and sturdy, can be used for a long time. 【Function】The balloon sizer cube is marked with size, easy to assemble and use, which allows you to easily create balloons of different size. 【Feature】Collapsible and lightweight, easy to carry. Great for creating balloon arches, balloon columns, balloon centerpieces. 【Usage】The balloon sizer box with 11 holes and size marker is an essential balloon measuring tool for festive balloon decoration. 【Application】Suitable for making balloons to birthday party, wedding, baby shower and any other celebration. Specification: Material: PP Size Chart: 30cmx28cmx23cm/11.81inchx11.02inchx9.06inch Package Includes: 1 Piece Balloon Sizer Box Cube Note: 1.Children under 8 yrs. can choke or suffocate on uninflated or broken balloons. Adult supervision required. Keep uninflated balloons from children. Discard broken balloons immediately. 2.Please allow slightly errors due to manual measurement and different monitors.