700 cubic inch pack with a 70 oz. (2 Liter) pressurized hydration engine. It is capable of hosting a 100 oz (3 Liter) pressurized hydration engine. Molle attachments. Insulated Tube. 500D Cordura. Two large stowage compartments. Back ventilation. Compression straps. Box-stitch reinforced pack handle. Additional interior utility organizer and mesh pockets. Carry it. Molle to it. (Length 20 Inches. Width 11 Inches.)
Don't forget to buy a filter. This reservoir is filter-ready. Also, you may want to consider buying a bulb holder if you are retrofitting to another pack -- not required, but nice to have.