Targus PA251U Podium CoolPad for Mac (White) Raises the back edge of your Apple iBook or PowerBook to increase airflow and extend product life Perfect for presentations: rotates 360 degrees so everyone can see the screen Stackable risers allow you to adjust your keyboard height for an ergonomic workspace Measures 10.25 x 8.75 x 2 inches (W x D x H) 1-year warranty