Rubber-Cal 48-in W x 144-in L x 0.375-in T Rubber Gym Floor Roll (48-sq ft) in the Gym Flooring department at Lowes.com
RubberFlooring4U Black 4'x10' 1/4" Rubber Flooring Roll, Rubber Flooring for Gym, Rolled Rubber Flooring, Garage Rubber Flooring - Walmart.com
20% Colored Commercial Rolled Rubber 4' Wide x 3/8" Thick
Survivor SportFloor Isometric Grey 48 in. x 180 in. x 0.3 in. Rubber Gym/Weight Room Flooring Rolls (60 sq. ft.) 01050805082 - The Home Depot
Rolled Rubber Flooring for Gyms, Warehouses, Manufacturing
IncStores 8mm Thick Designer Series Rubber Flooring Roll | Flexible Recycled Rubber Roll Flooring for a Stronger and Safer Basement, Home Gym, Shed, or Trailer | Coffee Creek, 4ft x 25ft - Amazon.com