Easy to catch the screen,convenient and comfortable to input. Can be convoluted without holding the notebook. Make sure the air is flowing to create the comfortable life rhythm of the notebook! Perfec heat disoersion when enjoying DVD. Be unaware of cutting of the electricity at any time for good heat dispersipn. Anti-skid device is installed to avoid skidding in the course of using. Material:ABS resin ,natural rubber Size/width:26X28CM Unit price:us$1.60 Supply different color with logo in it.