Why take two separate bags for your handy essentials and water bottles when you can have this Smart fanny pack with insulated water bottle pocket. It is made of waterproof 70D Nylon with pockets on both sides of this bag and an additional pocket in front. This pack also features an impressive insulated bottle holder to make sure your drinks are left just like you'd like it. It also features an adjustable belt strap with maximum adjustment at 44".