x100 percent brand new and high quality xThese air cushioned insole not only give you a height boost, they are also very comfortable to wear. xSpecial air cushioning design protects your knees and ankles while providing a balance of foot pressure. xThis is ideal for people with jobs that require prolonged periods of standing time and extreme walking routines. Features: xDesigned in a way to mould and shape into your foot xVentilation air holes on the insoles with air cushion heel xIncrease height for when your wanting that heel lift at parties wedding etc xImpossible to know you have heel lifts - once placed inside your shoes xReduces pressure on both knees and back which can reduce spine problems. xMade from air breathing, durable and flexible high quality fiber material xSuitable for many kinds of shoes and boots xSize:Can fit Men's shoes(Insoles can be trimmed with scissors to fit your shoes ) xType: 3cm5cm6cm, 8cm9cm