UcbChina kids amusement equipment factory-LONGLY PLAY UcbChina kids amusement equipment factory-LONGLY PLAY UcbChina kids amusement equipment factory-LONGLY PLAY About springUcbChina 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.UcbChina kids amusement equipment factory-LONGLY PLAY UcbChina kids amusement equipment factory-LONGLY PLAY UcbChina kids amusement equipment factory-LONGLY PLAY Good packingUcbChina kids amusement equipment factory-LONGLY PLAY Standard export packing to protect the goods from damage like scratch.Packing materials:Cotton and pp film.UcbChina kids amusement equipment factory-LONGLY PLAY UcbChina kids amusement equipment factory-LONGLY PLAY Our factoryUcbChina kids amusement equipment factory-LONGLY PLAY UcbChina kids amusement equipment factory-LONGLY PLAY