Set Includes 1 pair (Right and Left) - Height Increasing Heel Insert for Men & Women - Instantly add 1.00" to 1.50" to your overall height. Instantly become taller by inserting these adjustable, invisible insoles! Fits most styles of shoes: Boots, Sneakers, Trainers, etc.! Inserts are best worn with a shoe slightly larger than your normal size. They are intended to be used with high-profile shoes. - Air Cushioned designed for maximum comfort