Proozy offers the Keds Core 15" Laptop Backpack in Keystone or Black for $39.99. Coupon code "PZY20" cuts it to $20. With free shipping, that's $9 under our mention from two weeks ago and the lowest price we could find by $20. It features adjustable slip pockets, adjustable shoulder straps, and a padded sleeve for laptops up to 15". Deal ends June 12.