Contains: 40 of 150 x 100mm, 3 of 300 x 200mm, 100 of 75 x 25mm Flat Mirrors and 30 of 100 x 100mm Concave/Convex Mirrors. Unbreakable single-sided versatile plastic mirrors. Use for science investigations into the properties of light and maths shape and symmetry activities. Receptive to glass paint, making them ideal for creative art and craft projects too. Removable protective film coating on both sides. For optical and reflection experiments. Can be cut.