400mm high, brightly coloured letters, made from HDPE(High density polyethylene). Weather proof and UV stable. Our letters are solid not the cheaper hollow kind and will last for many generations of children. Suitable for indoor or outdoor use they can be attached permanently to walls or fencing or used in the classroom as a teaching aid. Colours are random but include solid red, blue, green and yellow. Ideal long-life teaching aids for reading and letter recognition. See also our matching numbers.