The Acer Netbook Accessory Kit features a Protective Bag, USB Optical Drive, and a Wireless Mouse. The Protecive Bag is designed specifically to fit netbooks with up to 11.6" screens. The Acer Netbook Accessory Kit features the entry level accessories useful to a netbook owner at one low cost. The ergonomically designed wireless mouse tracks with precision and provides smooth navigation of the web while on the go. The Plug-and-play DVD±RW Super-Multi double layer optical drive lets you watch movies, play music and burn DVDs and CDs.