All have a matte non-glare surface and come with an adhesive backing that is high tack, low-sheer, removable, and will not cause surface degradation or leave a surface residue. Can be applied and removed from skin, glass, painted surfaces, hair, rugs and plastics. All items come on rolls in a peel-and-stick format, and have open spaces available to write on. All have dual metric/fractional scales. Available with white, gray or black backgrounds. All are 1” wide (2.5cm).