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 rubber Safety 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.