Logitech N600 Touch Lapdesk with Retractable Multi-Touch Touchpad for $17.97.  Shipping is free on orders over $25.  If needed, use this Filler Tool to qualify for free shipping.  Here is a screenshot for your reference. The laptdesk fits laptops with up to a 16" display and features a heat-shielding design, wireless connectivity, and retractable touch-pad with multi-touch navigation.  Most places have it for about $29 or more.