Fits standard AA Big Book, 12 Steps, 12 Traditions, and other similar-sized books. The approximate book dimensions are 8 7/16" x 5 5/8" x 1 1/2”. It will not fit large print books. Made of vinyl vegan leather Serenity prayer in gold color Medallion holder holds standard coins with a diameter of 1 5/16“ or 34mm Books and medallions not included 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.