The Weather Guard Topside Truck Box is an aluminum truck box designed for pickup truck beds. It measures 60" long x 20" wide x 13.5" high and has a weight capacity of 300 lbs. The box is made from heavy-duty aluminum with a diamond tread floor and features a gas spring assist lid, lockable T-handles, and weather seals. It installs above the truck bed rails to provide secure, weather-resistant storage without occupying truck bed space. The box has a limited lifetime warranty.