PROSOURCEFIT Extra Thick Exercise Puzzle Mat Grey 24 in. x 24 in. x 1 in. EVA Foam Interlocking Anti-Fatigue (6-pack) (24 sq. ft.) ps-2296-hdpm-grey - The Home Depot
Amazon.com: Wisfor Interlocking Foam Floor Tiles 23.6 X 23.6 Inch Puzzle Exercise Mats for Cushions for Workouts Protective Flooring Foam Mats (12 Packs)
Costway 12PC Wood Grain Interlocking Floor Mats 3/8 Inch Printed Foam Tiles 24 x 24 Inch - Walmart.com
TrafficMaster Dark Gray 24 in. x 24 in. x 0.47 in. Foam Interlocking Gym Floor Tiles (6 Tiles/Pack) (24 sq. ft.) TM1264 - The Home Depot