... "Zero Pressure".The Advantages of the material1,Good air permeability and heat shrinkable material2,Good water permeablity, ... be extensively used in various kinds of product requiring air permeability, cleanliness, durability and environmental protection. such as ... likesponge, spring, palm, fiber,latex, water-filled and air-filled categories. ( function(){ var aBigImageSrc = [ 'http://i01.i.aliimg.com/ ...