The Pedifix Peel-Away Adjustable Heel Lift has unique peel off layers for a finished fit from 1/8" to 3/8". This quality shoe lift balances Leg Length Discrepancies to align the hips and back to the proper position and reduce discomfort. The Peel-Away Adjustable Heel Lift take pressure off sore Achilles' tendon and calf muscle. It also helps relief heel spur pain and Plantar Fasciitis pain. Effective for months. Simply slip into shoe and use as-is or peel the layers to reach the perfect thickness. One per package.