This item is made by Rawlogy. Below is their description. The Rawlogy Cork Massage balls are also sold here.
The lightest travel pouch you've ever used! Made of super-strong Cuben Fiber, this trail-friendly ditty sack is perfect for your Rawlogy balls, sunglasses, wallet, keys, or any other small articles / loose items you want to keep organized.
The pouch is:
* Water resistant
* Highly durable
* Light as a feature
It also features a reflective drawstring cord, which means you'll be able to see it glittering in the dark under your radiant glow. What's not to love?