This item is 3 pairs of height increase made of clear, breathable and comfortable gel. It is suitable for different types of shoes, comfortable and convenient to wear. It will increase your height without giving much burden to heel or discomfortableness to you. Feature - ColorTransparent - Material: gel. - Size: Increased by 1cm for Woman: 8.5x5.5x1cm; weight: 44g. Increased by 2cm for Woman: 8.5x5.5x2cm; weight: 82.3g. Increased by 3cm for Woman: 8.5x5.5x3cm; weight: 119.8g. Increased by 1cm for man: 9x6.5x1cm; weight: 59g. Increased by 2cm for man: 9x6.5x2cm; weight: 99.6g. Increased by 3cm for man: 9x6.5x3cm; weight: 155.2g. - Increase Height: Transparent insole is unlikely to be noticed without paying full attention . - Protect Heel: Full of elasticity, it could reduce or abrasion between heel and shoes so as to avoid calluses, corns and plantar . - It will not be smelly even if you have done exercise all the day. - Fit most style of shoes, sneaker, boot, etc. - Note: can be wash by normal water. - tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight difference in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 3 x pair of Clear Heel Insert