GsMChina kids amusement equipment factory-LONGLY PLAY GsMChina kids amusement equipment factory-LONGLY PLAY GsMChina kids amusement equipment factory-LONGLY PLAY About springGsMChina 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.GsMChina kids amusement equipment factory-LONGLY PLAY GsMChina kids amusement equipment factory-LONGLY PLAY GsMChina kids amusement equipment factory-LONGLY PLAY Good packingGsMChina kids amusement equipment factory-LONGLY PLAY Standard export packing to protect the goods from damage like scratch.Packing materials:Cotton and pp film.GsMChina kids amusement equipment factory-LONGLY PLAY GsMChina kids amusement equipment factory-LONGLY PLAY Our factoryGsMChina kids amusement equipment factory-LONGLY PLAY GsMChina kids amusement equipment factory-LONGLY PLAY