Tenswall via Amazon offers the Tenswall 15-17" Laptop Cooling Pad in Blue, model no. TW-17-2FANS, for $19.55. Coupon code "Q49BAP3H" cuts it to $11.99. Plus, Prime members receive free shipping. (Non-members can spend $49 to qualify for free shipping; otherwise, shipping costs $7.42.) That's $14 off list and the lowest total price we could find. It includes three fans, two USB ports, and an adjustable stand.