VWWChina kids amusement equipment factory-LONGLY PLAY VWWChina kids amusement equipment factory-LONGLY PLAY About springVWWChina kids amusement equipment factory-LONGLY PLAY The diameter of the spring is 2.6cm,very strong,can support not only the weight of children but also adults.VWWChina kids amusement equipment factory-LONGLY PLAY VWWChina kids amusement equipment factory-LONGLY PLAY VWWChina kids amusement equipment factory-LONGLY PLAY Good packingVWWChina kids amusement equipment factory-LONGLY PLAY Standard export packing to protect the goods from damage like scratch.Packing materials:Cotton and pp film.VWWChina kids amusement equipment factory-LONGLY PLAY VWWChina kids amusement equipment factory-LONGLY PLAY Our factoryVWWChina kids amusement equipment factory-LONGLY PLAY VWWChina kids amusement equipment factory-LONGLY PLAY