Hybrid Sleeve with brown marbling

Slip it into your pocket and take it with you wherever you go. The design is simple, yet elegant and practical. 
The device can be stored warm! (max 13.5cm)

Each sleeve can come with a leather loop or a keyring magnet (to unscrew the hot cap).

Handmade in France from high grain vegetable-tanned leather, hand dyed. Seamless design.