Three sizes: 1.2m for kid 1.5m, 1.8m for adult Material:0.8mm pvc or 0.7mm tpu Inside there are two belts and two handles, after wearing it, players can run, roll from moutain or ramp, can bump between each other, can play football. Suitable for family party, school events, birthday party, can be used for rent. 1.2m gross weight: 12kgs 1.5m gross weight: 15kgs.