Walnut Studiolo Blueprint Artwork Map Handsewn Leather Tube Carrying Case, Honey Our all-leather, handcrafted Blueprint Tube keeps large format documents (like architectural blueprints, maps, artwork, and posters) safe and portable. Impressively hand-stitched in every detail, the Blueprint Tube is made from structural and sturdy Grade "A" American vegetable-tanned tooling leather - the same kind used in horse saddles. It stays shut with a permanently-attached, adjustable-length shoulder strap that tightens the lid down with a fast-release Conway buckle. It is undyed on the inside to protect the contents DIMENSIONS: Interior dimensions 32" (81.3 cm) long x 3" (7.6 cm) diameter. Exterior dimensions 34" (86.3 cm) long x 3.25" (8.25 cm) diameter. Empty, the tube weighs 1 lb, 5 oz. MATERIALS: Vegetable-tanned leather, nickel-plated steel hardware <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).