Mighty Line T Markers are tough and they stick to almost any floor. It is the ideal way to mark between objects on the floor like pallets, machines, equipment, staging areas, racks, bins, etc.. Perfect for marking around movable objects so you know where they go back to. The T marker is durable enough to handle forklift and truck traffic. Simple and Easy installation. Customers have reported Mighty Line tape installed in their facility lasting over three years! Given the right care and proper installation, Mighty Line tape can last a long, long time. 6-inch by 6-inch by 2-inch, blue.