Retain warmth during Eco-Fin treatments with these soft herbal booties. Perfect for tired, achy feet, they provide long-lasting heat while your client enjoys aromatherapy from 12 fragrant herbs. Regular Booties: Fit up to women’s size 10 and men's sizes 8-9 XL Booties: Fit up to women's sizes 11-12 and men’s sizes 12-13 XXL Booties: Fits men’s sizes 13-16 Benefits - Can be easily heated in a hot towel warmer or microwaved - Provide long-lasting heat - Made with heavy duck fabric for durability - Offers warm, herbal comfort Usage Booties Use with Eco-fin Sleeves For Booties (C3601), which offer protection between the bootie and the plastic liner (C226T) that holds your Eco-fin. Sleeves keep Eco-fin Booties clean, extending the life of them.