Note: The glass is designed for wristwatches with flat watch glass. Note: The protective film is designed for flat surfaces. The diameter specification refers to the film - not the case. Savvies Xtreme Glass HD33 Clear tempered glass for round displays (diameter: 30 mm) features a 9H surface hardness and a dirt-repellent surface, providing maximum display protection for your device. Rounded edges, a pleasant surface, and extremely high transparency ensure that the optimal usability, display brilliance, and touch sensitivity of the round display (diameter: 30 mm) are maintained. Precision cut: perfect fit for the round display (diameter: 30 mm). Rounded edges ensure a comfortable feel when using the device. Anti-fingerprint coating: the special surface coating repels grease and dirt, reduces fingerprints, and ensures easy cleaning of the surface. High transparency: 94% light transmittance provides a crystal-clear and sharp display. Surface hardness: a surface hardness of 9H offers perfect protection against scratches and impacts. Touch compatibility: Savvies HD33 Clear is only 0.33 mm thick and maintains the original touch sensitivity of the device. Perfect adhesive layer: the special silicone adhesive layer guarantees easy and bubble-free installation. Compatible with round displays (diameter: 30 mm).