Qiker via Amazon offers the XIXOV Water Resistant 17" Laptop Backpack in Gray for $29.99. Coupon code "IRYIEITC" drops it to $17.99. With free shipping, that's tied with last week's mention at $12 off list, and the lowest price we've seen. It features a USB charger, adjustable shoulder straps and holds laptops up to 17". Deal ends January 31.