- Proton White Replacement Top Case for KUL ES-87
- Cherry Pie Red Replacement Top Case for KUL ES-87
- Sapphire Blue Replacement Top Case for KUL ES-87
The price point on these cases is $29, but only the Proton White variant is currently available from KUL through Amazon Prime. The other colors are in stock, but are selling for $39 from a third-party seller.
Note that these cases only fit the KUL ES-87 (not any other tenkeyless keyboards) and are top shells only. Even after installing one, the bottom of your ES-87 will remain black.
The KUL ES-87 is a tenkeyless Cherry MX keyboard, and the first product from Keyed Up Labs.