Microsoft Rainier Backpack for 15.4" Laptops Protective padded sleeve holds laptop up to 15.4". Air-flow padding on back and shoulder straps Fleece-lined MP3 pocket with headphone port Storage for cords, batteries, media and accessories Additional features: Scratch-free media pocket holds 4 CD's and flash drive, 2 large front zipper pockets, Zipper mesh pocket for digital accessories, pens, cards, Zipper water bottle pocket, Quick drop pocket, Water resistant pvc bottom panel