A set of retro keycaps was released together with Class80, the color is close to GMK L9 and U 9. The keycap is Cherry height and the material is PBT
21KB Chinese Classic Retro Beige Keycap Set - 21KB
NEWTOY 1970 Music Vintage Keycaps and Large Mouse Pad Set - WhatGeek
Keychron OEM Profile PBT Retro Keycap Set for K2/Q1 Wireless Mechanical Keyboard
Owpkeenthy Retro XDA Keycaps, PBT 138 Keys Brown Keycap Set for Cherry MX Covers Fullsize 60% 65% 75% Keyboard (XDA Coffee Cat) : Electronics
SA Retro Beige Dyesub PBT Keycaps (134 keycaps)
Keychron OEM Profile PBT Retro Keycap Set – Page 3 – Keychron
ISO & ANSI Q1 & Q2 & K2 OEM Dye-Sub PBT Keycap Set - Retro
163 Keys GMK Retro Grey White Hebrew Keycaps PBT Dye Sublimation Mechanical Keyboard Keycap For MX Switch 1.75U Shift ISO Enter - AliExpress
PBT Retro keycaps (beige colorway), Computers & Tech, Parts & Accessories, Computer Keyboard on Carousell
Keycaps Retro - Temu