Sonnenleder Pencil Case "Kant" mocha brown

The Kant pen case by Sonnenleder is a handcrafted leather pouch made from Southern German cattle hide – tanned using the traditional pit method, purely vegetable-tanned without synthetic tannins. From the outset, the leather bears a lively, slightly uneven surface that continues to develop with use: heat, light and moisture form an individual patina. Leather inside and out – the inner lining is also made from cattle hide.

Features

• Pit-tanned cattle hide from Southern Germany: Traditional pit tanning is a slow, resource-efficient process that gives the leather a firm yet supple structure. The surface remains lively – no uniformly machine-smoothed appearance, but characterful grain and a warm, matt feel.
• Fully lined with leather: The cattle hide inner lining protects your fountain pen's nib and lacquer from scratches – without plastic inserts or synthetic materials.
• One rubber loop for a fountain pen: The loop made from German rubber webbing securely holds fountain pens up to 16 mm diameter and 150 mm length in place – no slipping, no rattling.
• Polished metal zip: The quality zip in polished metal runs smoothly and precisely; it closes the case completely and protects the contents even in a bag.
• Colour Mocca: A warm, earthy mid-brown with a reddish-brown undertone – a colour that becomes deeper and more contrasting as patina develops.
• Pure handcraft, made in Germany: Each piece is individually crafted; minimal variations in grain and tone are hallmarks of artisanal manufacture, not flaws.

Use & Tips

• For a fountain pen in daily use: The case is designed for one fountain pen – ideal for that single tool you carry with you every day, for example in a jacket pocket, briefcase or rucksack.
• Suitable pen sizes: Fountain pens up to 150 mm long and 16 mm diameter fit securely. Slim standard pens sit loosely, wider models are held firmly by the rubber loop.
• Breaking in: Freshly pit-tanned leather is initially rather stiff. If you use the case regularly, you'll notice how it adapts to your pen and handling within a few weeks.
• Care: Pit-tanned leather benefits occasionally from colourless leather grease or beeswax – this maintains suppleness and intensifies the patina. Do not use chemical cleaners.
• Let patina develop naturally: Rain, sunlight and body heat change the surface over months and years. Pressure marks, colour deepening and a silky sheen develop where the case is handled most frequently.

For Leather Enthusiasts

Pit tanning – also known as vegetable tanning – is one of the oldest artisanal tanning methods: hides rest for months in pits filled with aqueous tannin extracts from tree bark, usually oak. The result is leather with high tensile strength, pronounced breathability and a surface that is neither sealed nor coated. This is precisely what makes it so receptive to patina: oils from the skin, light and moisture penetrate directly into the material. Southern German cattle hide from controlled sources is regarded by leather craftspeople as particularly uniform in fibre direction – a reason why it is preferred for precise, intricate handwork such as this case.

Technical Specifications