We offer a wide color selection for 2 quality aisle marking tapes. These tapes will adhere to most any clean, dry surface. Tape has a smooth semi-matte surface. Great product for use on doors, walls, pipes and equipment. Standard Aisle Marking Tape Our Standard tape is made from a durable 6-MIL indoor /outdoor grade PVC with a permanent adhesive backing. HD TuffMark Aisle Marking Tape(comparable to Brady Toughstripe and other brands) Extra-tough, low profile, easy to apply Floor Marking product is made with heavy duty materials making this tape 7.7-MIL Indoor / Outdoor, highly durable, as well as abrasion and chemical resistant. California Warning P65