Scratch-resistant, hard-coated surface with 3H pencil hardness. Very good reduction of reflections. Reduces disturbing glare and reflections on the display. The matte anti-glare film has a paper-like surface. Made in Germany! Precisely cut to fit 30 mm diameter watches using state-of-the-art machines. Easy application - 100% bubble-free installation on a cleaned display! The special silicone adhesive layer displaces air during application and naturally conforms to the display. No impairment of usability! The Dipos screen protector offers a pleasant touch experience and is optimized for 30 mm diameter watches.