These Unique Sleeves Are Lined With Visco-gel That Releases Vitamin E Enriched Mineral Oil Onto The Skin Surface To Help Soften And Moisturize Rough Dry Cracked Heels Improvement Is Noticeable After Just A Few Hours Typically Worn While Resting Or Overnight Apply Moisturizing Creams To Heels Before Use For Even Faster Results Display Includes 6 Pairs Of Sleeves