HGIChina kids amusement equipment factory-LONGLY PLAY HGIChina kids amusement equipment factory-LONGLY PLAY HGIChina kids amusement equipment factory-LONGLY PLAY About springHGIChina 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.HGIChina kids amusement equipment factory-LONGLY PLAY HGIChina kids amusement equipment factory-LONGLY PLAY HGIChina kids amusement equipment factory-LONGLY PLAY Good packingHGIChina kids amusement equipment factory-LONGLY PLAY Standard export packing to protect the goods from damage like scratch.Packing materials:Cotton and pp film.HGIChina kids amusement equipment factory-LONGLY PLAY HGIChina kids amusement equipment factory-LONGLY PLAY Our factoryHGIChina kids amusement equipment factory-LONGLY PLAY HGIChina kids amusement equipment factory-LONGLY PLAY HGIChina kids amusement equipment factory-LONGLY PLAY