Apply each piece to the soles of the feet before going to bed. Can apply on to both calves, back, elbows, shoulders, knees ... In the morning, see the brown patch, remove the patch, wash the feet clean.
Note: 1 pair of SD stickers only 1 time. Do not apply to one place for a long time.
Storage: Avoid direct sunlight.
Box size: 232x125x50mm