This Outdoor Carpet Is Made Entirely Of Rocks : r/interestingasfuck
Heavy-Duty Ribbed Indoor/Outdoor Carpet with Rubber Marine Backing - Stormy Blue 6' x 20' - Several Sizes Available - Carpet Flooring for Patio, Porch, Deck, Boat, Basement or Garage - Walmart.com
Home Garden Patio Rug Thick Durable Yard Mat Folding Portable Outdoor RV Camping Picnic Mats Reversible Moisture-proof Floor Pad - AliExpress