4 Pack - Stretchable Book Covers - Hawaiin Flower Designs 4 pack of stretchable book covers. Fits up to 23" x 15" Reuseable - Protects Textbooks Easy to use : open book face down 2.lift up front & backcovers. 3. slidecover over book flaps & close book. Designs will Vary -You will recieve the newest designs we have in stock