Product specifications: 18 piecesStorage method: Store in a dry, dry place in a cool placeApplicable people: after standing for a long time / after sports / wearing high heelsInstructions:1. Peel the transparent film and stick it where it needs to be cooled.2. Do not completely tear the film, peel off half and stick it on the foot, then tear the remaining part bit by bit.3. Store in the refrigerator for better cooling4. One post is used only once