collapsible & pillow tanks are specially designed for temporary storage water, chemical and other liquids. The standard type is made from highly tensile polyester . Frame work material is terylene fabric coated with special PVC on both sides. They can restore the recycling water and drinking water, Features:1.Light weight, easy operation.2.Minimum packing size, easy for transportation and storage.3.No contamination for water, which may guarantee the quality of the material.4.High strength of the coated fabric, the adhesion up to 60 lb/in.5.High strength of the seams because of the high frequency melt and sealed with the same polyurethane as the tank body, so the tanks have excellent ability against air leakage and its very safety for water.We can supply food grade PVC material and different type and shape. Capacity of tank from 2 gallons to 60000 gallons.