Walnut Studiolo Leather Washers for Mounting Bicycle Fenders or Racks (4 Washers) DIMENSIONS: 3mm thick, 15mm outside diameter, 5mm inside diameter <span class="a-text-bold"><span class="a-text-italic">American Production</span></span>: Handcrafted in small batches in our Oregon workshop. <span class="a-text-bold"><span class="a-text-italic">American Materials</span></span>: Using exclusively American veg-tan saddle leather, still tanned in St. Louis Missouri. <span class="a-text-bold"><span class="a-text-italic">High Quality, Durable Materials</span></span>: Our old-fashioned saddle leather gets better with age, earning a glossy patina and offering a warm and comfortable touch. <span class="a-text-bold"><span class="a-text-italic">Natural Materials</span></span>: We keep it simple: leather, wood, metal. <span class="a-text-bold"><span class="a-text-italic">Low-Impact Methods: </span></span>Old-world veg-tanned (not chrome-mercury) leather and hand-applied oil dyes are sustainable and nontoxic and create an unbeatable natural sheen (like stained wood instead of painted). <span class="a-text-bold"><span class="a-text-italic">Shop Small Business: </span></span>As a small family business our low-impact environmental values shine through, from our recycling program to our zero waste initiative. <span class="a-text-bold"><span class="a-text-italic">Original, Niche Designs: </span></span>All of our products are designed from scratch by former Architecture Principal Geoffrey Franklin. <span class="a-text-bold"><span class="a-text-italic">Modern Designs with Old World Materials</span></span>: Minimalist modern design x old-fashioned natural materials. <span class="a-text-bold"><span class="a-text-italic">Award-Winning Recognition</span>: </span>Successfully funded on Kickstarter twice and chosen by discerning designers for projects and exhibitions everywhere from Nike to the Museum of Modern Art (MoMA).