Protective ground cover for Big House 4 tent To extend the life of your tent floor, we recommend using a Big Agnes footprint or ground cloth. The Big Agnes footprint also enables you to pitch your tent in Shelter Mode, leaving the tent body behind. The Shelter Mode configuration requires the footprint, tent fly, poles, and stakes. Features Compatible with Big House 4 tents featuring Tiplok(TM) Tent Buckles Shelter Mode setup available - stake out your footprint, insert your tent poles into corners, drape your fly over the top, and buckle it in for an even lighter, smaller packing setup Fully compatible with Big House 4 models made after 2020 - may be compatible with older models, without Shelter Mode capability Specs Total Weight: 18oz Packed Size: 2.5" x 7" x 12" Footprint Weight: 18oz Materials 75D polyester taffeta with 1500mm waterproof polyurethane coating and a water-repellent finish without intentionally added PFAS All seams taped with waterproof, solvent-free polyurethane tape (No PVC or VOC&';s)