EASY TO USE: The product package is made of pp material, the length, width and height are 2.8 inches * 2 inches * 0.62 inches respectively, which can be fastened to your clothes without sewing, and can lengthen or shorten any trouser's waistline by an inch in seconds. Adjustable design: with innovative tightening device, no sewing, no tools to install, reusable, the main functions are, tighten the waist of the library, jeans button replacement, clothing button replacement, DIY decoration, no need to make permanent changes to the garment High quality materials Made of high-quality metal, sturdy and durable, will not bend or break under finger pressure, and is extremely textured. Card Slot Design: Unique card slot design, can not fall off when stuck, and it will be as tight as the card for a long time. Widely used: 8 Jeans button for shirts, jeans, suspenders, jackets, bags, leather craft and other heavy weight fabrics