Height Increase Insoles 4-Layer 3.54 inch Air Cushion Taller Shoes Insoles Heel Insert for Men and Women by ERGOfoot

• Color: Mainly black. Material: Durable and soft PVC.
• Featured air cushion function, makes them comfortable to wear.
• Can effectively prevent your foot soles slipping inside your shoes.
• Tailorable, can be cropped to fit the size of your feet.
• One size fit on U.S Men and women's size 4-9.5