... ISO,TUV 2.size:depends on your requirement Details of rubber tile:1.Safety protection.2.Environmentally friendly.3.Low-sliding resistance ... .5cm/50*50*1.5/2/1cmScope: National Children's Playground, stadium, pedestrian bridge, library, meeting rooms, hospitals, schools, kindergartens, playgrounds ... , changingrooms, hotels, chambers, garden-path and so on the ground. rubber tile LY-194C