Don't be fooled by this four or five slot bag, it can hold much more than four potions or your epic fire-resis gear. This bag will conveniently hold all of your goods but disappear on your body while wandering throughout the barren lands killing Wild Boars. This Bag of Holding will set you back 27.99 gold pieces at the nearest vendor or at the auction house.
Now go forth, artisan. Roll 1D0 for your chance of getting a girlfriend with this Bag of Holding.
Product Page [ThinkGeek]