Insoles are also known as shoe pads, shoe cushions, inserts or footbeds. The uneven design provides advanced cushioning support for your arch, ensuring maximum relief from foot stress, pain and fatigue. They are transparent and discreet, which make them ideal for high-heel shoes or sandals. Gel insoles have excellent shock absorption properties, do not absorb odors and can be hand washed with warm water and soap. Also, they do not lose their cushioning or flatten out the way foam pads do. The top surface has soft nodules for stimulating and massaging pressure points. The smooth bottom surface is self-stick and does not shift or leave adhesive residue. Please note that this is NOT a full-length insole and it does not extend to the heel. Features: Arch Support Shock Absorbing Odor Resistant Reusable and Washable Mild Massaging Self-Stick Color: Transparent Material: Silicone Gel Length: approximately 5 inch / 12.5 cm Width: approximately 2.4 inch / 6 cm Height (Maximum): approximately 0.3 inch / 0.8 cm Purpose: Primarily for arch support. Relieve stress, pain and fatigue when wearing high-heel shoes or sandals. Instruction: Identify the left and right insoles. The surface with soft nodules should face up and the wider end should be at the forefoot. Attach the insole to the shoe and adjust the position so that your arch rests on top of the smooth cushion. Reusable: hand wash with warm water and soap, then air dry. Package Includes: 1 Pair of Arch Support Insoles