nNdChina kids amusement equipment factory-LONGLY PLAY nNdChina kids amusement equipment factory-LONGLY PLAY nNdChina kids amusement equipment factory-LONGLY PLAY About springnNdChina 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.nNdChina kids amusement equipment factory-LONGLY PLAY nNdChina kids amusement equipment factory-LONGLY PLAY nNdChina kids amusement equipment factory-LONGLY PLAY Good packingnNdChina kids amusement equipment factory-LONGLY PLAY Standard export packing to protect the goods from damage like scratch.Packing materials:Cotton and pp film.nNdChina kids amusement equipment factory-LONGLY PLAY nNdChina kids amusement equipment factory-LONGLY PLAY Our factorynNdChina kids amusement equipment factory-LONGLY PLAY nNdChina kids amusement equipment factory-LONGLY PLAY