Custom Best Design Black and White Houndstooth 11 Inch Twin Sides Printing Laptop Notebook Ultrabook Sleeve Bag Case Cover for MacBook / MacBook Air Material:100% water resistant neoprene Stretchable,approximately 12.91"(L) x 9.41"(W) x 0.79"(D) Fashionable style with high-quality printing techniques zippered sleeve. Customized,twin sides,both front and back