Easy to UseThis collar button extender is easy to use and does not require sewing, blending seamlessly with your shirt's design. Simply slide the button into the collar buttonhole and loop the elastic band over the collar button on the other side. Easy to put on and take off, it helps you keep your neckline neatWide ApplicationThese elastic collar extenders can be used for shirt collars, shirt cuffs, and pants waistbands, providing enough flexibility to make your clothing fit and comfortable again. The set includes 3 pcs of black elastic collar extenders and 3 pcs of white elastic collar extenders to meet your daily needsBuy with Confidence is committed to providing customers with quality products and caring services. If you have any questions during the use of our products, please tell us by email. If you are not satisfied with our products, we will definitely try our best to solve them. Customers' satisfaction is our greatest pursuitExcellent DesignThis metal button extender boasts a sophisticated structure, simple yet practical design, smooth and beautiful appearance, and classic black and white colors. This metal button extender, which is a must-have for anyone wearing a collared shirt, provides a better wearing experience for your shirtHigh QualityThese shirt collar button extenders are made of high-quality zinc alloy and copper, sturdy and thick, with excellent workmanship and perfect size. The extenders' buttons are sturdy, and the elastic bands are flexible, allowing your collars to be extended by about 1/2 inch, helping you say goodbye to tight collars