Boîte cylindrique en carton noir, boîte ronde en tube de papier pour l'emballage des couteaux avec support pour éponge

this black cardboard cylinder box is designed to package knives safely while maintaining a sleek, minimal appearance. crafted from 800 gsm rigid paper with a 125 gsm art paper lining, it offers strong structure in a 4 × 15 cm cylindrical form. the matte laminated surface feels smooth and understated, supporting clear offset printing and optional hot foil stamping. inside, a sponge holder keeps the knife firmly in place, reducing movement and protecting the blade during transport and display. suitable for folding knives, tools, or specialty blades, this paper tube packaging balances protection, durability, and refined presentation.