Description: 【HIGH QUALITY】: Inflatable Arm Bands are made of environmentally friendly thickened PVC material, it is a perfect tool for learning swim and can be used for a long time. 【SIZE】: Swimming Arm Floats are suitable for children or adults. You and your child can use it while playing, training, or winning the championship. 【COMFORTABLE FITTED】: The swimming arm float rings can perfectly adapt to the shape of the arm, comfortable and easy to roll on the arm. 【DESIGN】: Swim arm bands, are more comfortable, more convenient, and greater floating buoyancy. Inflate by mouth or with a pump, very easy to use. 【PORTABLE】: Floating armbands are lightweight, and easy to carry. Great for adults, kids and beginners to easily learn swim. Specification: Material: PVC Size Chart: Triangle: 22cmx16.5cmx13.5cm/8.66inchx6.50inchx5.31inch; Round: 22cmx18cm/8.66inchx7.09inch Package Includes: 1 Pair Swimming Arm Bands Note: Please allow slightly errors due to manual measurement and different monitors.