This is a 30cm/300mm/12" ruler from Helix, available in a refreshing green shade. The ruler is flexible yet sturdy, perfect for any school or office use. The brand name Helix ensures high quality and durability, making this ruler a reliable addition to your stationery collection. The ruler comes in a standard size of 30cm/300mm/12", making it an ideal tool for measuring and drawing. Add this ruler to your cart and enjoy its versatility and style!