This premium, highly durable book cover is specifically designed for the standard AA Big Book but can also fit any book approximately 8 1/2" x 5 1/2" in size. Crafted from vegan vinyl leather, it includes a medallion holder that accommodates standard-sized AA medallions or other coins up to 1 5/16" (34 mm) in diameter. Built to last, this cover will protect your book for years to come and makes an excellent sobriety gift.