Liquipels' award-winning Nano coating screen protection, is the thinnest screen protector in the market. This product offers a 9H sapphire hardness that provides up to 20x scratch resistance compared to a glass screen without Liquid Glass applied to it. Liquipel is confident that Liquid Glass Screen Protection will protect your screen from breaking; so confident that we are offering a 12-month product guarantee up-to $150 in the event that your smartwatch screen gets scratched or cracks while protected by the Liquid Glass product. Most people that wear a smartwatch tend to engage in a more active lifestyle, so it is important to protect the glass screen on your smartwatch from scratches. This product will work with any smartwatch in the market today that has a glass screen. Liquipels' Liquid Glass is case friendly and easy to apply.