L15China kids amusement equipment factory-LONGLY PLAY L15China kids amusement equipment factory-LONGLY PLAY About springL15China 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.L15China kids amusement equipment factory-LONGLY PLAY L15China kids amusement equipment factory-LONGLY PLAY L15China kids amusement equipment factory-LONGLY PLAY Good packingL15China kids amusement equipment factory-LONGLY PLAY Standard export packing to protect the goods from damage like scratch.Packing materials:Cotton and pp film.L15China kids amusement equipment factory-LONGLY PLAY L15China kids amusement equipment factory-LONGLY PLAY Our factoryL15China kids amusement equipment factory-LONGLY PLAY L15China kids amusement equipment factory-LONGLY PLAY