You are looking at the best designs in Zazzle's darwin binders section, where you can find a variety of darwin binders available for personalization or ready for purchase as is. Most Zazzle.com binders ship very soon after the order is placed. Print in full color on the back, front, and spine. Zazzle's Avery Custom Signature binders are designed for 8.5" x 11" sheets of paper and come with your choice of EZ-Turn© or 1 Touch© EZD© rings. Add your own pictures and text for free! To find other related products, visit the main darwin page.