Sugru Mouldable Glue RED Pack Excellent design: Specially designed for XL Ultra-clear high definition with 99.99% transparency to allow an optimal, natural viewing experience Highly durable, and scratch resistant - surface hardness 9h and topped with oleo phobic coating to reduce fingerprints Bubble-free adhesives for easy installation, place it on the phone screen and it automatically sucks itself down on the phone ChefzBest provides warranty for tempered glass screen protector