A tempered glass protective film for the Nintendo Switch family (Standard/NS, Lite, and OLED) is a specialized, multi-layered shield designed to protect your console's screen from physical damage while maintaining high visual clarity.
 
These protectors are sold in multi-packs (1–3 pieces) to provide replacements if a protector is damaged during its intended "sacrificial" role of absorbing impacts. 
 
 
Key Specifications and Features:
 
9H Hardness Rating: These protectors feature a 9H hardness rating, the highest on the standardized pencil hardness scale.
This makes them highly resistant to deep scratches from common metal objects like keys, coins, or zippers.
 
Ultra-Thin Design: Typically measuring between 0.24mm and 0.33mm in thickness, these films are designed to be thin enough to allow for full compatibility with the Nintendo Switch dock and maintain 99.9% touchscreen sensitivity.
 
HD Clarity: High-quality glass provides nearly 100% transparency (around 99.9%), ensuring that the vibrant colors and sharp details of the game are not compromised.
 
Oleophobic Coating: A specialized surface treatment that resists oil and grime, making it easier to wipe away fingerprints and smudges.
 
Anti-Shatter Safety: If the protector takes a severe hit, it is engineered to crack into small, non-sharp pieces held together by a thin film, protecting both the original screen and the user from injury. 
 
 
Installation Highlights:
 
Pack includes a cleaning kit (wet/dry wipes and dust removal stickers) to ensure a bubble-free application. 
 
Preparation: Clean the screen thoroughly in a dust-free environment to prevent trapped particles that cause bubbles.
 
Alignment: Align the glass with the outer frame or speakers of the console before gently lowering it into place.
 
Adhesion: The tempered glass uses a self-adhesive "venting" layer that spreads evenly across the screen once placed, pushing air out to the edges. 
 
Note for OLED Users: 
 
The Nintendo Switch OLED comes with a factory-installed "anti-scattering film" already on the screen.
 
You should not remove this film; tempered glass protectors are designed to be applied directly on top of it for added scratch and impact protection.