VYWChina kids amusement equipment factory-LONGLY PLAY VYWChina kids amusement equipment factory-LONGLY PLAY About springVYWChina 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.VYWChina kids amusement equipment factory-LONGLY PLAY VYWChina kids amusement equipment factory-LONGLY PLAY VYWChina kids amusement equipment factory-LONGLY PLAY Good packingVYWChina kids amusement equipment factory-LONGLY PLAY Standard export packing to protect the goods from damage like scratch.Packing materials:Cotton and pp film.VYWChina kids amusement equipment factory-LONGLY PLAY VYWChina kids amusement equipment factory-LONGLY PLAY Our factoryVYWChina kids amusement equipment factory-LONGLY PLAY VYWChina kids amusement equipment factory-LONGLY PLAY