These are a pair of terry towelling face masks to be used with hot water to open up the pores and cold water to close and tighten.
As they are a present I have not used them but will update this review as soon as the reciprient receives and has tried them.
https://www.amazon.co.uk/Face-Towel-Mask-Moisturizing-Rejuvenation/dp/B07K8FVZ4M