12in/30cm Flex Me Ruler. The 30cm Flexi Ruler is a superdurable, bendfriendly measuring tool designed for everyday school, office, and craft use, featuring both centimetre and inch markings for easy dualmeasurement accuracy. Made from flexible plastic that resists snapping, its ideal for backpacks, pencil cases, and busy workspaces. Four assorted colours. one random colour will be supplied.