Material: Superior Quality Stylish Leather Ultra Slim Sleeve with Magnetic Closure by Geniunie Leather/Hermes Details of Size 12 inch: 30 by 21.5 by 0.3 cm Thirteen air: 35.3*25*0.3 cm 33.5*23.5*0.3 cm (13.3 inch) 14 2 inches, or 34.9 * 24.8 * 0.3 cm 39*27*0.3 cm is 16 inches. 16.2 cm (39.5 * 27.5 * 0.3 in)