A simple and sophisticated design provides an excellent casual look for travel and business. Four layers of eco-friendly material, durable and bio-degradable. Woven exterior and soft flannel in the interior providing excellent 360° protection. Special designed zippers prevent accidental slipping and the elastic hand strap fits in every hand. Internal dimensions: 13.5" x 9.4"; External dimensions: 14.3" x 10". Great compatibility with 13 inch MacBook pro, MacBook pro retina, MacBook air.