This handy Outwell Harford 8P XL Footprint Groundsheet will keep the bottom of your tent clean & help protect it from abrasion as well as damage. It also helps insulate from the cold ground beneath you, whilst also ensuring a clean, dry, tent when coming to pack it away. The groundsheet is cut completely to the underneath shape of your tent, to ensure no water gets between the groundsheet & your tent. A practical buy for the frequent campers, to keep your family tent undamaged, insulated & dry.