I think Hyperx Pudding Keycaps changed their manufacturing! : r/MechanicalKeyboards
Hyperx Pudding Keycaps for Keyboard ,141 Key+24 Keys Set Custom Keycap Set,OEM Profile Custom Gaming Keycap Compatible with 100%, 75%, 65%, 60% Cherry MX Switches Mechanical Keyboards - Walmart.com
Amazon.com: HyperX Rubber Keycaps – Gaming Accessory Kit, 19 Keys, English (US) Layout, Blue : Everything Else
HyperX Pudding Keycaps - Double Shot PBT Keycap Set with Translucent Black | eBay
Amazon.com: HyperX Pudding Keycaps - Double Shot PBT Keycap Set with Translucent Layer, for Mechanical Keyboards, Full 104 Key Set, OEM Profile, English (US) Layout - White : Electronics