Q: Why should I use this heel protector?A: Prevalon is proven to help reduce the risk of heel pressure ulcers with our unique design. Prevalon is a soft, comfortable boot that provides 3-in-1 heel protection for those who are confined to bed or have limited mobility. With different heel protectors, it is easy to find the Prevalon that meets your needs.Q: What are the differences between heel protector I, II and III?Prevalon Heel Protector III - Petite, Standard and XL Floats the heel Keeps the...