Rubber-Cal Maxx-Tuff 1/2 in. x 24 in. x 36 in. Black Heavy Duty Rubber Floor Protection Mat 03_177_WEB_23 - The Home Depot
Rubber Gym Mat - 1/2" thick, 4 x 25' H-9400 - Uline
Xspec 1/2" Thick Rubber Top EVA Foam Gym Mats 12 pcs 48 Sq. Ft., Grey – Xspec Gear
Premium 3'3" x 3'3" Gym Flooring Mat - 0.6" Thick Rubber – Vesta Fitness Store
Amazon.com: Sivan 0.5 Inch Thick Gym Flooring for Home Gym - 6 EVA Foam Floor Tiles, 24 Sq Ft Rubber Top Gym Mats for Home Gym and Exercise Equipment, Interlocking Protective Flooring