Specifications: ✔ Volume: 2 liters(70 Oz.)(Free) ✔ Hands-free water tube pressure valve ✔ Insulated tube cover to prevent freezing ✔ Item size: 43cm * 22cm ✔ Weight: 300g ✔ Applications:Cycling, hiking, running and other outdoor sports Package Includes: ✔1 x Sport Backpack ✔1 x Hydration Bladder

• DESIGN: Upgraded from predecessor.The new pack added a small bag and two layers cargo design,one for hydration bladder,and the other for extra carrying purpose
• GOOD VOLUME: Except the the bladder compartment,also includes storage compartments that will fit your light clothes,iPad,phones and keys.
• EASY TO DRINK: Equipped with a tube with a bite valve to drink, so you don't need to hold it to drink.
• REPLACEABLE 70 Oz. BLADDER: Includes a 2 Liter/70 Oz. BPA Free bladder which keeps you hydrated. It also keeps the water fairly cool and includes a wide screw cap so you can add ice cubes for an even cooler drink. Enough to get you through a day of hiking, cycling, running or biking.
• DURABLE: Made of high-quality nylon fabric,attractive and durable.Straps joint reinforcement to ensure long time loads.

DESIGN: Upgraded from predecessor.The new pack added a small bag and two layers cargo design,one for hydration bladder,and the other for extra carrying purposeSTARBAILEY