This is a hot or cold wrist or ankle Gel Bead Therapy wrap by Silver One.

Dual-action relief offers both hot and cold therapy
Comfortable fit allows for wide range of motion to continue daily tasks
Treat carpal tunnel, arthritis, twisted or sprained ankles, etc.

The picture shows a small tear. I have several of these. The one in the picture is the box in worst shape. Chances are yours will not be torn.

Thanks for shopping at Jonny's Odd Lot and have a great day!