Durable engineering-grade polyethylene construction Keep food and camping gear dry and protected Lightweight Six tie-down points make it easy to secure the Boulder Box to your boat, luggage rack, truck, or trailer Two easy-to-use heavy duty compression straps that ensure a tight seal between the lid's foam gaskets and the box NRS Boulder Camping Dry Box - The NRS Boulder Camping Dry Box is a light, an affordable plastic dry box that will keep your stuff dry and protected on your boat, in camp, and on the road. Same size of a medium ice chest, this box is great for storing camp kitchen equipment, groceries, or anything else to keep dry and protected.