Lenovo Max 41U5253 15.6" Messenger Laptop Case for $23.96 shipped after coupon code THINKBAGS.  Here is a screenshot for your reference.  It features a padded protective notebook compartment with elastic security strap to fit a laptop with up to 15.6" screens, front zipper pocket, and zip-down workstation. Most places have this laptop bag for about $27 or more.