The Spigen Acer Chromebook R 11 GLAStR SLIM 9H Tempered Glass Screen Protector is designed specifically for the Acer Chromebook R 11. Made of high-quality tempered glass with a 9H hardness rating, this screen protector provides excellent protection against scratches, drops, and impacts. The slim design ensures a perfect fit without adding bulk to the device. The Spigen brand is known for its durable and reliable accessories, making this screen protector a great choice for keeping your Acer Chromebook R 11's screen safe and secure.