Compatible with: CTL4100 Material:PVC Packing 1: White Transparent protective Film with single edge glue Packing 2: Black protective Film with single edge glue Packing 3: Black protective Film with 4 edge glue Matte type for a smooth touch. Low-friction, A comfortable touch during operation. Anti-glare protective film which prevents background reflections from fluorescent lighting. Anti-fouling properties, can repel dust and even oil-based marker pens. No air pockets-Uses a special silicone adhesive, so any trapped air is able to naturally escape, and prevents air pockets. No changes in adhesivity with changes in temperature, so it's very stable. Package includes: 1 x Graphite Protective Film