Item Name: Inflatable Swim Arm Bands Armband for Kids Cute Children Swimming Floatation Sleeves Water Rings Rollup Floats Tube Armlets Swim Floater Sleeves Swimming Arm Floaties Learning Swim Training Aids Material:PVC Color:crabs, fish and birds Size:Inflatable size:15.9x 14 x11.4cm/6.25 x5.5 x4.5 ", Suitable for children from 3 to 6 years old and up to 55lbs. Suitable for swimming pool, waterside and beach How to Use:You can fill the swim floatation sleeves with 70% air, then wear it on your arm, and then continue to inflate it, finally stop the inflation when you feel comfortable, or you can put it on your arm first, and keep inflating it until you feel comfortable. Note: If you inflate too much, it may be difficult for your arms to roll up. Features:1.Dual airbags design, more buoyancy, high safety. 2.Drum-shape design, fit tightly to your kids' arms and provide huge help for kids when they are learning swimming. Package:1pair Learning Swimming aid tool