【Durable Material】The trouser waistband adjuster is made of high-quality metal, ensuring durability and resistance to deformation. The storage box is made of transparent plastic, lightweight and durable. 【Practical Set】The package includes 20 trouser waistband adjusters, with 5 each in gold, silver, black, and bronze colours, along with a transparent storage box for convenient organisation. 【Portable Storage】The transparent storage box is lightweight and easy to carry. It can be placed in a bag or suitcase, ready to address any issues with ill-fitting clothing. 【Easy to Use】The waistband clips require no sewing; simply clip them on for a secure fit, leaving no visible traces. The transparent storage box opens and closes smoothly, making it convenient for storage and transport. 【Application Scenarios】This invisible waist adjuster can quickly adjust pant waistlines, shorten pant legs, and adjust sleeve cuffs. It solves your clothing size issues.