Stable Mats - smooth surface interlocking mats 4'x4'x3/4" - The Barnyard Supply Co
RB Rubber, 3/4 in. Rubber Stall Mat 4 x 8 ft. - Wilco Farm Stores
4 ft. x 6 ft. Thick Rubber Stall Mat at Tractor Supply Co.
$29.99 Rubber Floor Mats 4' x 6' x 3/4" - Second Quality - Cashmans
Horse Stall Mat - 4' x 5' - 3/4" Thick — Paramount Materials
Amazon.com: American Floor Mats - Horse/Stable Mats - Heavy Duty Stall Mats - Thick, Durable Rubber Flooring Solid Black 1/2" Thick - 4' x 6' Mat : Pet Supplies
Mats for Stables: The Ultimate Guide – Sprung Gym Flooring