Original Penguin offers the Original Penguin Nylon Roll Top Back Pack in Classic Blue for $144.99. Stack coupon codes "SUMMER60" and "OFFEROP20" to cut it to $46.40. With $5 for shipping (select "Standard" at checkout), that's $99 off list and the lowest price we could find. It features adjustable shoulder straps, a zipper and snap closure, and top grab handle. Deal ends June 19.