Sellars ToolBox Z400 fiber Big Grip refill shop towel sheet 93 percent less cardboard than a center-pull cardboard box. Soft on hands and face, absorbent, and wont fall apart- even when wet. Ideal for all medium to heavy-duty general purpose wiping applications. Blue shop towels help hide grease and grime better than white shop towels allowing for more use before being discarded. Sellars shop towels provide opportunities to earn credits in several LEED-EB (existing buildings) operation and maintenance categories. Sellars shop towels contain 40 percent post-consumer recycled fibers and 10 percent post-industrial recycled fibers meeting the EPA comprehensive procurement guidelines. Water resistant packaging, peel and reseal top, and cardboard dispensing disk. Sheet measures 13-inches length by 10-inches width. Made in the USA.