LdnChina kids amusement equipment factory-LONGLY PLAY LdnChina kids amusement equipment factory-LONGLY PLAY LdnChina kids amusement equipment factory-LONGLY PLAY LdnChina kids amusement equipment factory-LONGLY PLAY About springLdnChina 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.LdnChina kids amusement equipment factory-LONGLY PLAY LdnChina kids amusement equipment factory-LONGLY PLAY LdnChina kids amusement equipment factory-LONGLY PLAY Good packingLdnChina kids amusement equipment factory-LONGLY PLAY Standard export packing to protect the goods from damage like scratch.Packing materials:Cotton and pp film.LdnChina kids amusement equipment factory-LONGLY PLAY LdnChina kids amusement equipment factory-LONGLY PLAY Our factoryLdnChina kids amusement equipment factory-LONGLY PLAY LdnChina kids amusement equipment factory-LONGLY PLAY