PROSOURCEFIT Extra Thick Exercise Puzzle Mat Black 24 in. x 24 in. x 1 in. EVA Foam Interlocking Anti-Fatigue (6-pack) (24 sq. ft.) ps-2294-hdpm-black - The Home Depot
Amazon.com: X Large Puzzle Roll Up Mat + Bonus Straps - Store and Transport Jigsaw Puzzles Up to 1500 Pieces - 46" x 26" Felt Mat, Inflatable Tube, and 3 Elastic Fasteners