$61.99 Amazon.com : Guardian Rubber Floor Mat (4-Feet x 6-Feet x 1/2-Inch, Black) : Exercise Mats 
Ainfox 4*10*2 Gymnastics Gym Mat, Folding Exercise Aerobics Mat Yoga Mat Stretching Mat Martial 
American Floor Mats 1/2in (12mm) Thick Solid Black 4' x 6' Heavy Duty Rubber Rolls, Protective 
