Adjustable Design - Adjustable orthopedic heel lift inserts are 4 layers in total. Increase and decrease levels can be selected according to your needs. These silicone gel lifts are a comfortable way to either add height or cushion your heel. Soft Comfortable Gel Material: Made of Durable and soft gel material with sweat wicking, anti slip top layer, self-adhesive design, can be reused and washed. Comfortable Support: The shoe lifts provide stability and have a superb cushioning effect that helps to reduce the pain of the foot burning. These heel lifts have made a big difference and you would feel much more balanced and steady with them. Wide Application: Suitable for most types of shoes, including high heels, flats, sandals, boot and sneakers. For men or women. When you put them in the work shoe, they wont move and end up reducing foot pain caused by standing for a long time. Offers unrivaled protection during many activities - This heel insert adjusts the difference of leg length and makes you walk more comfortable. Package includes: 1 Pair Heel Lifts (4 layers height)