With over 54 years of experience, Alvin is one of the primary sources for drafting supplies and drawing equipment in the country. Together with this core group of products, we continue to meet the needs our customers with our expanding range of fine art, hobby and craft supplies, our large selection of drawing room furniture, and our wide assortment of exclusively-designed products. ADVANTUS CORPORATION-Unmounted Stamp Binder stores clear or unmounted rubber stamps inside pouch holds acrylic blocks has durable faux leather construction includes three unmounted stamp refill pockets and includes coordinating identification tag. Refill pocket size: 7x8.5 inches. Binder size: 10x10x2.5 inches. Made in China.