Sonnenleder Pencil Case "Simmel" mocha brown

The Simmel pen case by Sonnenleder is a handcrafted pouch made from vegetable-tanned cowhide – warm in tone, firm in hand, and with a distinctive character that only fully reveals itself over time. The leather comes from selected South German cowhide and is tanned using traditional pit tanning with purely vegetable tannins – a time-honoured process that gives the surface vitality and depth. The pouch holds up to five pens and closes with a quality zip fastener.

Features

• Vegetable pit tanning: The leather is tanned without synthetic tanning agents in a pit. The result is a surface with natural grain that feels pleasantly firm and slightly textured – not smooth in an industrial sense, but alive.
• South German cowhide: The selection of hides follows regional and ecological criteria. The origin is traceable, and the quality of the raw material is directly perceptible.
• Pure handcraftsmanship: Each case is made individually by hand. Seams, edges and fastening are carefully executed – without machine uniformity.
• Living patina: Warmth, rain and sunlight change the leather over time. The colour deepens, the surface gains character. Each case develops its own story.
• Quality zip fastener: Closes the case securely and runs smoothly – protects pens from pressure marks and falling out, even with heavy everyday use.
• Pleasant leather scent: Vegetable-tanned leather smells different from chrome-tanned – softer, slightly nutty, without chemical aftertaste.

Use & Tips

• Five pens with room to spare: The case holds fountain pens, ballpoints and fine-tip pens up to standard diameter – even slightly wider models with a clip fit easily. The format is ideal for a daily selection of two to three fountain pens plus companion pens.
• Leather care: Vegetable-tanned leather absorbs leather care cream well. Conditioning once or twice a year maintains suppleness and accelerates patina development. Colourless or lightly tinted products work best for mocha brown.
• First weeks of use: The leather is initially still fairly stiff. With regular use it becomes softer and adapts to the grip volume of the pens inside.
• When travelling: The zip fastener makes the case a secure carrying solution in your bag or rucksack – no accidental opening, no caps coming loose.
• As a unique piece: Since each hide has a different grain, individual cases within the same colour vary in texture and nuancing.

For Leather Enthusiasts

Pit tanning is the slowest tanning process of all: the hides lie in pits with vegetable tanning liquors for months – traditionally based on oak or spruce bark. The result is leather with higher density and firmness than chrome-tanned leather, which regulates moisture better and develops a distinctive patina over time. The ecological leather processing that Sonnenleder applies here stands for short supply chains and documented origin of raw hides from South Germany – a difference that is immediately apparent to the touch: the leather feels heavier and fuller, not soft and yielding like thinly-tanned alternatives.

Technical Specifications