Rubber-Cal 20-in W x 20-in L x 1-in T Interlocking Rubber Gym Floor Tile (8.5-sq ft) (3-Pack) in the Gym Flooring department at Lowes.com
Amazon.com: RevTime Easy-DIY Ultra Thick Interlocking Outdoor Rubber Tiles 20" x 20" x 1 3/4”, 45mm Thick for Playground, Outdoor Gym Floor, Sports Deck, Backyard Play Area (Pack of 2) Red :
Rubber Pavers for patio Gray (9 pack) — Material Warehouse
Kids Playground Safety Out Door Rubber Tile - Buy Kids Play Area Floor, Kids Playground Safety Out Door Rubber Tile, Weathering Resistance outdoor rubber tile Product on SOL RUBBER FLOORING
RevTime Dual-Side Garden Rubber Paver 16"x16" for Patio Paver, Step Stone and Walk Way, Safety Rubber Tile Red (Pack of 6) Flooring Materials - Walmart.com
Outdoor Rubber Pavers (9 pack) — Material Warehouse
Safe-Play Tiles - Rubber Playground Tiles
Amazon.com: MYOYAY 4 Pack Playground Mat, 20"x20"x1" Interlocking Tiles, Red Heavy Duty Rubber Exercise Equipment Mats, Non-Slip Protective Training Rubber Mats for Home Gym Playground(Cover 11.12 Sq.FT) (Red) : Sports & Outdoors
Amazon.com: RevTime Easy DIY Interlocking Outdoor Rubber Tiles 20" x 20" x 1” Thick for Playground Use, Outdoor Gym Floor, Sports Deck, Backyard Play Area, Safety Rubber Paver (Pack of 4) Green :