头层牛皮
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The first layer of cowhide
具有良好的弹性
It has good elasticity
强度和工艺可塑造性
Strength and process plasticity
高密度海绵
—
High density sponge
回弹性、伸缩性很好
Good resilience and elasticity
缓解身体压力
Relieve physical stress
俄罗斯进口落叶松实木框架
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Larch solid wood frame
木材不易变形开裂,结构稳定
Wood is not easy to deform and crack
环保健康结构更牢固耐用,安全无异味
More robust and durable structure