These low-cost diamond-shaped signs can mark a trail or help users differentiate between a cross-country skiing, biking, hiking and/or a portage trail where they meet or cross. Simply place them at a visible distance one from the other to inspire confidence. Standard cross-country skier symbol. Tough blue UV plastic and white UV ink means this image will last outdoors. Each has 4 holes for mounting and measures about 12x16cm (~4.75x6.5inches). Popular with parks and trail managers, this also makes a nice gift for the avid cross-country skier.