YETI Lowlands Multi-Use Blanket The Lowlands Blanket helps transform every outdoor concert, tailgate, or backcountry post-up into your personal base camp. Everything from the waterproof utility layer to the supremely soft, insulated interior were meticulously engineered to create a one-of-a-kind, all-terrain, ultra-comfortable blanket. And your dog will love it, too. It’s designed to repel dirt, burrs, and pet hair — so let them sit, lay, and roll around on it as much as they like. The Blanket is 55 in x 78 in unfolded.