Right now Amazon has their WACOOL 2L 70oz Running Cycling Hiking BPA Free Hydration Pack Bladder for only $6.59 when you use coupon code CZIBZI9B at checkout! (Reg $29.99) This features:

• Update the Bite Valve. High water flow, easy to drink. With dust cover.
• Every one pass air tightness test, no leaking.
• Capacity: 2 Liter, 100% odorless, tasteless, BPA- Free PVEA material
• Easy to fill and insert into the pack, wide opening for easy cleaning or adding ice cubes.
• 100% Lifetime Guarantee. Contact us if any problem.

Keep in mind, Amazon pricing can change at any time! Don’t wait to purchase this deal or it might be gone when you come back!

This item will ship free for all Amazon Prime members. Or, regular members can score free shipping by adding $25 or more worth of eligible items to your cart. You can get a 30-day free trial of Amazon Prime here.