XXDChina kids amusement equipment factory-LONGLY PLAY XXDChina kids amusement equipment factory-LONGLY PLAY About springXXDChina 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.XXDChina kids amusement equipment factory-LONGLY PLAY XXDChina kids amusement equipment factory-LONGLY PLAY XXDChina kids amusement equipment factory-LONGLY PLAY Good packingXXDChina kids amusement equipment factory-LONGLY PLAY Standard export packing to protect the goods from damage like scratch.Packing materials:Cotton and pp film.XXDChina kids amusement equipment factory-LONGLY PLAY XXDChina kids amusement equipment factory-LONGLY PLAY Our factoryXXDChina kids amusement equipment factory-LONGLY PLAY XXDChina kids amusement equipment factory-LONGLY PLAY