Amazon offers its Prime members the iMountek Laptop USB Folding Table with Cooling Fans and Mouse Pad, model no. LPT-1079, for $16.99 with free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs around $7.) That's $6 under our January mention and the lowest total price we've seen. (It's a current price low by $6.) It features a retractable USB cable, adjustable legs, and paper guard.