Gravihush™ is a polyester gravity eye mask with a light-blocking function. The product description also identifies it as a micro-pressure eye mask for naps.
The mask is described as suitable for use with an ice compress and as breathable. Its listed functions also include eye protection and relieving eye fatigue.
Why it works
Its light-blocking function makes it a blackout-style eye mask.
The product is described for nap use and ice-compress use.
