单向逆止气阀充气或放气操作迅捷，密闭牢固，有效防止在卡车、集装箱或铁路运输中货物的相互碰撞，更是货物运输中原木材或发泡胶的新型环保替代产品。
Outside the bag: PP and PE coated kraft paper made of tough and solid
Inside the bag: the PA-based extruded film made of 5 Layer Arch
Product thickness: 1mm
Product Weight: 280g - 1349g
