Ares' Backpack

Ares' Backpack is a blue nylon backpack given to Percy by Ares. It was designed to have the Master Bolt appear in it once Percy got to the Underworld.

Contents

 * The Master Bolt (Once it arrived in the Underworld)
 * Three sets of fresh clothes for Percy, Grover and Annabeth
 * $20
 * A pouch of Drachmas
 * A bag of Double Stuf Oreos.