This popular waist pack boasts a secret pocket on the back that provides a safe haven for your phone or credit cards and ID.

If you haven’t jumped on the belt bag bandwagon yet, now is the time. The perfect hands-free way to carry your phone, wallet, ...

It has an interior pocket and exterior zipper pocket, as well as an adjustable strap. All in Motion/Target All in Motion Belt Fanny Pack A $20 Lululemon Belt Bag dupe that can be found at Target?

You can grab the cult-favorite bag for $29—but only while supplies last!

This compact yet sizable belt bag has a simple silhouette that looks so similar to the one Diaz just wore. Its interior pocket has a 2-liter capacity, offering plenty of room for a phone, wallet, ...