XIANQI HIGH-QUALITY MATERIALS: These jeans exts are made of denim, cotton, and metal buttons. They are non-elastic and durable, ideal for denim clothing. The denim waist ext buttons are machine-washable. EASILY ADJUSTABLE: Adjustable denim button ext with 2 button holes, providing quick comfort to your waistline. Ideal for jeans, jean shorts, and denim skirts. EASY TO USE: No sewing required, easy to use and remove. Can be used directly by both men and women. They hide easily under your belt or shirt without being visible. Our pant button ext set is made with non-irritating fabric for all-day comfort. SUITABLE FOR ALL: Pants waist ext is suitable for men, women, and children. We have selected the three most common denim shades so you can choose the one that matches your denim. IDEAL FOR PREGNANCY: Expecting mothers can use these pants exts to adapt regular clothes for maternity wear, ideal for the early trimester. Color: black, dark blue, light blue, navy blue. Size: 8.2*3.6cm. Quantity: 4 pieces.