Garmin Alpha 100 Explosion Proof Screen Shield Protectors Garmin Alpha 100 Explosion Proof Screen Shield Protectors Features Made of superior quality 0.30mm Tempered (hardened) Glass Durable, but ultra-slim Reinforced glass increases shock absorbency Offers protection from drops or impacts Oleophobic Coating resists fingerprint, smudges, and other contaminants Screen is protected from moisture - moisture will condense into water droplets and will slide freely on the EXPLOSIONproof Shield, keeping the Astro's screen dry and protected Scratch resistant - Protect your Astro's screen from cuts, cracks, and scratches Highest Quality 9H Surface hardness means even sharp objects like knives, blades, and keys will not scratch Custom designed to precisely fit your Astro 220 or Astro 320 handheld screen Whole transparency - means the entire surface of the EXPLOSIONproof Shield is transparent for full visibility Strong silicone adhesive assures easy installation and keeps your EXPLOSIONproof Shield firmly in place