These Colour and shape mats are polyester-topped mats. Can be used for cross curricular activities as each mat has is a different colour and features a different shape. ;Anti-slip base to prevent movement when in use.Lightweight so can be moved by children.What's in the set?1 x Blue triangle on red mat.1 x Yellow circle on green mat1 x Red square on blue mat1 x Green diamond on yellow mat1 x Purple hexagon on orange mat1 x Orange pentagon on purple mat