Steaming eye mask for warming and relaxation, set of 8 - Type: Steaming eye mask - How to use: Warm and apply to the eyes - Features: Relaxing effect - Scent: Unscented Thank you for viewing. I am selling these because I don't use them. There are 5 masks manufactured in 2021, and 3 masks from 2020. I believe there are no issues with using them.