Blog posts
Kevlar vs TPU vs Silicone Phone Cases: Which Material Is Best?
A practical comparison of the most common phone case materials — Kevlar fiber, TPU, silicone, polycarbonate and carbon fiber — to help you pick the right balance of protection, thinness and feel.
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DURO® vs DURO® Special Edition vs DURO® Ring Master: Which Kevlar Case Is Right for You?
DEFF makes three DURO® Kevlar cases — the slim original, the rugged DURO® Special Edition, and the DURO® Ring Master with a built-in stand. Here's how they differ and which suits your needs.
- 0 commentson Everyday Refills, Elevated: Deff Showcases the REFILL PEN JACKET Series at Japan's ISOT
Everyday Refills, Elevated: Deff Showcases the REFILL PEN JACKET Series at Japan's ISOT
DeFF Corporation will exhibit its REFILL PEN JACKET series — plus a first look at upcoming products — at the 37th International Stationery & Paper Products Show (ISOT) in Tokyo, June 24–26, 2026.