Enhance your business with Zeefier's sustainable, seaweed-based dyes.

The Dirk Beanie

Made with Seaweed Dye. Knitted in the Netherlands. The Dirk Beanie is naturally dyed with Zeefier’s seaweed-based colour, developed and applied entirely in the Netherlands. The soft beige tone is drawn from the natural pigments in seaweed—no synthetic dyes, no chemical additives. Each beanie is knitted with wool from Dutch sheep, sourced and processed locally […]

Zeefier × The Knitwit Stable

100% Dutch Wool. 100% Seaweed-Dyed. Zeefier and The Knitwit Stable have partnered to develop a series of locally made rugs, crafted in the EU using Kempish Heathsheep wool and dyed entirely with seaweed-based colour. The result is a fully traceable product—natural, durable, and produced without synthetic chemicals. Designed for clients looking to combine low-impact materials […]