Product Description● Just by wearing them, they envelop your heels and keep them moisturized (effect due to the high airtightness of the fabric).● Contains hyaluronic acid in the inner fabric.● Made from stretchable thin material.● For use as an inner sock. Suitable for everyday use.● Ideal for relaxation time, after bathing, and during sleep.Ingredients● Fabric part... Nylon ● Filling... Synthetic rubberSafety Warnings● The inclusion of hyaluronic acid is a post-processing treatment. Washing may diminish the effect.● If using for extended periods, such as during sleep, or if they feel too tight, please acclimate gradually.● Do not use if there are abnormalities on your skin.● If any skin abnormalities occur, discontinue use immediately.● Due to the nature of the material, discoloration may occur, but there is no issue with quality.● Prolonged exposure to sunlight or fluorescent lights may cause discoloration.● Washing may cause shrinkage.● Do not wash in the washing machine's hand wash mode.● Be careful not to snag with nails or sharp objects.● Sensitivity to the product may vary by individual.● Keep away from fire.