FIBCs are made of thick woven polypropylene fabric that is treated against Ultraviolet, either coated or uncoated, and normally measure around 45–48 inches (114–122 cm) in diameter and varies in height from 100 to 200 cm (39 to 79 inches). Its capacity is normally between 500 kg or 2,200 lb & 2500 kg or 5500 lb.