Features: 1.Made of good-quality materials to ensure that the spring still has good stretchability after long-term use 2.Can effectively solve the problem of a waist that is too small, allowing you to easily wear pants that are one size smaller, instead of repurchasing pants because the waist is too small 3.When you no longer need the product, just remove it from your pants and put it in your pocket, no one will know 4.Connect in a few seconds and add an inch to your belt. It will be invisible under your shirt or belt 5.Good-quality zinc alloy material, possess good strength, good corrosion resistancespecification:Item Type: Button Pins : 50Pcs(10 patterns, 5 for each) Main Material: Zinc alloy (composed of complex materials) How to Use: 1. Put the spring loop behind the flared button over the original button on the waistband 2. Use new buttons to replace the original buttons for fixing 3. Installation is complete Size: Approx. 17mm / 0.7in 17mm / 0.7in 27mm / 1.1inPackageList:50 x Button PinsNote1. This product can only be used for waist extension, not for other areas. 2. There are ten patterns, five for each pattern.