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
9009 Retro 134 Key Keycaps Pbt Dye Sublimation Personalized Cherry Profile Keycap For Mx Switch 61 64 87 96 Mechanical Keyboards - Keyboards - AliExpress
IN-STOCK】Class80-R2 Keyboard kit – MMkeyboard
MMkeyboard MMClass65 V2 Mechanical Keyboard
Music Vintage Keycaps and Large Mouse Pad Set - WhatGeek
Lofree BLOCK Review|Harmony of retro and modern with comfortable keystroke feel[PR]
Retro Keycaps
163 Keys GMK Retro Grey White Hebrew Keycaps PBT Dye Sublimation Mechanical Keyboard Keycap For MX Switch 1.75U Shift ISO Enter - AliExpress
152 Keys GMK Desert PBT Keycaps Sublimation Cherry Profile Keycaps for Cherry Mx Mechanical Keyboard Retro Personality Key caps - AliExpress
ISO & ANSI Q1 & Q2 & K2 OEM Dye-Sub PBT Keycap Set - Retro
IN-STOCK】Class80-R2 Keyboard kit – MMkeyboard