IncStores 4'x6' Premium Mat - Vulcanized Rubber Exercise Mat, High Density Floor Mats for Gym Flooring, Home Gym, and Horse Stall Mat (Gray, 3/8" Thick - 1 Mat), Exercise Mats - Amazon Canada
Amazon.com: IncStores 5/8 Inch Thick Bristle Mat | Waterproof SBR Rubber Entryway Mat with Cleaning Bristles | Indoor/Outdoor Rubber mat for Keeping Shoes and Floors Tidy | 3'x5' : Industrial & Scientific
4 ft. x 6 ft. Thick Rubber Stall Mat at Tractor Supply Co.
3 ft. x 4 ft. Utility Rubber Stall Mat, Black at Tractor Supply Co.
How Thick Should Gym Flooring Mats Be: Recommendations for Mats & Pads
E. JAMES RUBBER GUM 3/8IN TH 36INX10 FT - Rubber Sheets, Strips, and Rolls - EJM387-3/8-10 | 387-3/8-10 - Grainger, Canada
12pcs Soft Foam Mats For Floor Foam Play Mat Foam Puzzle Floor Mat 11 8 X 11 8 X 0 4in - Home & Kitchen - Temu Oman
Vinyl Loop Mats - FloorMats Specialists Shop
Die Cut Rubber Mat - 72" x 48" x 3/8" | Fitness Depot
Amazon.com: BXI Sound Absorber - 31.5 X 23.6 X 3/8 Inches 6 Pack High Density Acoustic Absorption Panel, Sound Absorbing Panels Reduce Echo Reverb, Tackable Acoustic Panels for Wall and Ceiling Acoustic Treatment : Musical Instruments
Rubber-Cal "Paw-Grip" 100% Nitrile Non-Slip Rubber Matting - 3/8 in x 34 in x 9 ft - Red - Walmart.com
Costco (in Canada at least) has these sweet rubber mats that remind me of the gym. Way cheaper than Amazon since they are heavy as heck! It's flat on the other side :
Amazon.com: Rubber-Cal Diamond-Plate Rubber Flooring Rolls - 3 mm x 4 ft x 8 ft Rolls - Black : Tools & Home Improvement
Rubber-Cal Recycled Flooring 1/4 in. H x 4 ft. W x 3 ft. L Black Commercial Rubber Flooring Mats 03_101_WAB_403 - The Home Depot
Gym Floor Rolls, 3/8 Inch Thick Heavy Duty Rubber Flooring Roll, Rolled Rubber Flooring, Exercise Mat in Roll, Multipurpose Rubber Flooring, Rubber Roll Matting - China Gym Rubber Roll, Crossfit Rubber Roll