These are made of high-end fiberglass tape measure with silky smooth retractable function. They are reversible metric and imperial measurements; 150cm / 60″. A strong magnetic back makes them very functional for storage. Available in Black, Red and White polka dot. 23.5 x 14.6 x 21.6cm (91⁄4″ x 53⁄4″ x 81⁄2″)