The Durus outdoor adhesive distance is 250mm in size and can be applied directly to asphalt and concrete pedestrian surfaces. The set comes in 4 different colors Green, Red, Blue and Yellow. They are used to remind students of the importance of hygiene and social distancing around the playground. They have high slip resistance and are tested in accordance with AS 4586:2013 Results: R13 Rating, Class P5; Made in Australia.UNIT:Each