CandyHome Metal Collar Extenders Neck Button Extender for Dress Shirts Pants and Maternity Wear Set of 12 TOP MATERIAL - The metal collar extenders are made of 100% zinc alloy. This 10mm (3/8-inch button diameter) button extender stretches as you need it for the most comfortable fit. Each pack includes 12 high-quality metal shirt collar extenders. EASY TO USE - Attached in less than 5 seconds. No sewing is required to attach our metal shirt collar extenders to your shirt! Simply loop one around your shirt button or daisy chain a pair of them together for even more space. EFFECTIVE SOLUTION - This is our newest style of collar extenders that offer the same collar expansion as our regular metal collar extenders, but featuring pure color buttons to better blend in with your white dress shirts. AN GOOD ASSISTANT - This ensures it will not pop or break or stretch out like some elastic pants extenders do. Solves the problem of shirt collars being too tight and stays hidden behind the tie. It is a good assistant for your clothes. 100% LIFETIME MONEY-BACK GUARANTEE - We are committed to our customer's satisfaction & Buy with confidence. If you're not satisfied with this product for any reason, let us know and we will offer you a FULL refund meaning you never need to worry!