The Massage Fin is 3D printed from PETG plastic. PETG is a impact resistant food-safe thermo-plastic.

4in Wide X 2.25in Tall X 11in Long

The Massage Fin is designed to be used on the larger muscle groups but can be usead on almost any body part.

Absolutely! Because the Massage Fin uses your body weight (gravity) to apply pressure this makes it easier for you to elongate and contract the affected muscles helping aid in recovery.