**[BuyDig (via eBay)](http://www.passwird.com/links/nHtt9x)** has the JanSport Big Student Backpack (TDN79RW) for **$20** with free shipping.

* Ergonomic S-curve shoulder straps
* Capacity: 2100 cu in / 34 L

Next lowest price on [Google Products](http://www.passwird.com/links/PCkUso) is $37.03.