If you've found this post then you've reached the stage of "what keycaps do I get" of the mechanical keyboard hobby.
ABS or PBT? The Ultimate ABS vs PBT Keycaps Sound Tests Comparison!
Difference Between ABS and PBT Compare the Difference Between Similar Terms
ABS vs. PBT Keycaps: Is There Really a Big Difference? - History-Computer
Should You Buy PBT or ABS Keycaps? ePBT ABS Miami Nights Review
PBT vs ABS: Keycaps Explained - Overclockers UK
PBT Keycaps: Everything There Is to Know - HHKB & REALFORCE
ABS vs. PBT Keycaps: Debunking the Myth – Dygma
ABS vs. PBT Keycaps: Keycap Materials You Should Know – Keychron
ABS vs. PBT Keycaps: Is There Really a Big Difference? - History-Computer
ABS vs. PBT Keycaps: Debunking the Myth – Dygma