If you use the same keyboard for years then PBT keycaps might be a better than ABS keycaps since they will last for the life of the keyboard.
Should I buy ABS vs. PBT Keycaps?
What are doubleshot keycaps? Are they really worth it? - Glorious Gaming
PBT Keycaps vs. ABS Keycaps - Das Keyboard Mechanical Keyboard Blog
Black Clear Keycap Backlight Keycap Transparent Keycap Mechanical Keyboard Keycap Keycap Set White Keycap
Should I buy ABS vs. PBT Keycaps?
Das Keyboard Linux Keycaps with Keycap Puller - Das Keyboard
ABS Vs PBT: Let's Understand Different Keycap Materials – mechkeysshop
PBT vs ABS: Keycaps Explained - Overclockers UK
The 6 Best Mechanical Keyboards of 2024
ABS vs PBT Keycaps: Making the Right Decision for Your Keyboard – Goblintechkeys