Accuform ptp207yl tough-mark heavy-duty floor marking shape, 6×6 t-corner, yellow specifications: tough-mark heavy duty floor marking shapes mark specific areas in the workplace to keep clear of obstructions and debris, designate storage locations, and create boundaries around equipment and machinery for safe accessibility easy to apply and bonds to a variety of clean, sealed, and non-coated surfaces made with 55 mil polyethylene with 9.4 mil thick polypropylene adhesive backing beveled edges reduce tears and lifting commonly caused by pallet dragging removes easily while staying in one piece perfect for the set in order phase of 5s implementation