The armored foil in the pack of 3 completely covers the display, which does not interfere with the attachment of an additional case. The operability is maintained by the protective glass as well as the color fastness (99 ) of the display - almost invisible protection! The Screen Protector is made of specially processed glass protects your display. The display of your smartphone is optimally protected by the glass foil against scratches damage caused by shocks impacts - so you extend the service life! HOW-IT-WORKS: The 2-layer FILM PROTECTION SYSTEM makes it much easier to attach the screen film! Bubbles can be easily removed towards the edges. Cadorabo 3 Pack Tempered Glass Full Screen Tempered Glass Fullcover Display Protective Glass The tempered glass protects the display of your phone. It is made of specially processed glass to optimally protect the display from scratches drops. The tempered glass protective film is 0.3mm thin transparent, with silicone components on the non-adhesive side for better gliding of fingers on the display. The colour fastness of the display remains guaranteed. The scratch resistance of the crystal clear protective glass extends the life of the display even in the event of falls. The glass is extremely thin does not hinder the usability of the phone, nor does the image quality change. The product offered is an accessory product from Cadorabo. The reference to the trademarks listed above is only an indication of the intended product offered as an accessory.