Totally 10 pairs , 2 pairs one day, one pair use on the morning, one pair use before sleeping, each time keeps 15-30 minutes. If you want a good results, please use lasts for more than one month. Item Function: Eliminates dark circles and fine lines - 100% Collagen and other materials present within the eye mask, speed-up cell & collagen rejuvenation. This increase the elasticity in the eye contour while reducing eye bags and problems such as dark rings & fine lines. For firming and sparkling eye contour Relieve Fatigue eyes Moisturizes eye contour Who need to use ? Lack of sleep and who often stay up all night; Stria eyes, eye, black eye, eye fatigue; Improper diet, chain smokers; Long-term use of eye makeup or improper use cosmetics; Female menstrual period; Long-term reading, writing, driving, etc. are easily lead to eye fatigue; Long-term use of the computer, watching TV.