The reason why the small bottle and iron ball of Tomalin mattress jump is out of design. Tuomalin mattress is a kind of elastic mattress, which adopts special internal structure to provide support and comfort. This kind of mattress usually contains many small bottles and iron balls. The function of small bottles and iron balls is to increase the elasticity and adaptability of the mattress. When you put pressure on the mattress, these small bottles and iron balls will move and deform to suit your body shape and weight distribution. This design can provide better support, reduce stress and make you feel more comfortable when you sleep. When you jump on the mattress, small bottles and small iron balls will rebound due to external forces, thus making the mattress elastic and resilient. This rebound effect can increase the vitality and elasticity of the mattress and make you feel more interesting and energetic when jumping.