gas blanket meaning in English

气层
气膜
气体层
气体覆盖层
气体复盖层

Cold gas blanket experiment
冷气体包层实验
Does not have any danger completely , but must according to the game rule normal use . the child may contact the part is soft but the rich elastic sufficient gas blanket material , all has the circle net from the ground slightly high place , therefore completely don t worry
完全没有任何危险，但是必须按游戏规则正常使用。儿童可以接触的部分是柔软而富有弹性的充气膜材料，距离地面稍高的地方都有围网，所以完全不用担心