Heavy-duty waterproof Tarpaulin fabric for the harshest of conditions. We added a 270 degree zipper design and removed the two external auxiliary pockets to allow full access to your protected items from all sides of the BULfrog. Perfect for white water rafting, fly fishing, extended outdoor expeditions or rain-forest conditions. Heat-shrunk 550 para cord zipper pulls on YKK zippers. We didn't hold back. Carries our standard 11-year warranty.