How to Open the Logitech G903 - iFixit Repair Guide
Amazon.com: Hotline Games [Grip Upgrade] 2.0 Plus Mouse Anti Slip Grip Tape Compatible with Logitech G900 / G903 Gaming Mouse Skins,Sweat Resistant,Cut to Fit,Easy to Apply,Professional Mice Upgrade Kit : Video Games
Logitech G903 LIGHTSPEED Wireless Gaming Mouse W/ Hero 25K Sensor, PowerPlay Compatible, 140+ Hour with Rechargeable Battery and Lightsync RGB, Ambidextrous, 107G+10G optional, 25,600 DPI, Black Gaming Mice - Newegg.com