From top to bottom, Daiwas Boat Bag is meticulously designed and constructed of only the best materials. Beginning with the outer material, the Boat Bag features an incredibly durable and waterproof marine grade vinyl. Not water resistant, butwaterproof. The marine quality, double-zippered top is further protected by a storm flap, enhancing the Boat Bags ability to repel water. Below, youll appreciate the non-slip, thick EVA padded bottom. The padding adds cushioning for more delicate items like a camera or smartphone.