4 ft. x 6 ft. Thick Rubber Stall Mat at Tractor Supply Co.
What Flooring Options Work Best For 10x10 Dog Kennels?
Horse Stall Mat" Heavy-Duty Rubber Mat
Amazon.com: American Floor Mats - Horse/Stable Mats - Heavy Duty Stall Mats - Thick, Durable Rubber Flooring Solid Black 3/8" Thick - 3' x 4' Mat : Pet Supplies