The iRizer's sleek interlocking design allows you to adjust your laptop to the height/angle that's most comfortable to you - 20? 30? 40? or 50?. Ideal for home office or travel the iRizer helps prevent neck & wrist pain by raising your laptop's keyboard & screen to a more comfortable angle. Your laptop is portable. Your stand should be too! Stacked together the iRizer's two slim acrylic plates are only 0.55"" thick (14 mm) and easily fit into your notebook bag. Every iRizer includes a FREE bonus MiniRizer. The MiniRizer is a credit-card sized version of the iRizer that you can use as a stand for your iPod iPhone cellphone even business cards.