The Wingback Key Cache brings that idea into everyday carry, adding discreet storage to the keyring you already keep close.

It securely clips onto your keys and features a hidden compartment sized for banknotes, essential medicine, or an “if found” note in case your keys go missing.

Machined from a solid bar of aerospace-grade metal, the Key Cache is built to last for decades, not months. Whether used for emergency cash, a small backup dose of medicine, or a simple note, it offers quiet preparedness in a refined, pocketable form.

Capacity: Fits GBP, Euro, USD, and other banknotes up to 160mm x 82mm.

The Key Cache is designed to work seamlessly with the Wingback Key Loop.

• Fits on your keyring while hiding a secure compartment.
• Key ring (pictured) included.
• Fits at least one banknote of any currency.
• Additional room for a message with your vital details.
• Laser engraved, assembled by hand and packaged in London, UK.
• Hermetically sealed to keep its contents dry.

Brass: Aerospace grade brass from Europe, CNC machined in Birmingham, UK.

Steel: Aerospace grade 316 stainless steel from Europe, CNC machined in Birmingham, UK.

Black Steel: Aerospace grade 316 stainless steel from Europe, CNC machined in Birmingham, UK. Tungsten carbide carbon finish applied in Cambridge, UK.

Dimensions: ~1.6" x .5" (40.50mm x 13.6mm) diameter (outer), ~1.25" x .4" (31mm x 10mm) diameter (inner)