This solutions offers good ventilation for your used and wet heads and extends the life of them considerably. There is a total of 20 pockets split into two individually removable sets of 10 each. These are attached with Velcro in the back of the cover and can be removed and carried separately in your vest or in your back pack if needed. There are also separate, zippered mesh compartment for storing leaders, spare Tips and other small items. Made of 600D PU-coated polyester fabric.