Plain Uniform Shirt Buttons are versatile for use on uniform shirts and more. The polished matte finish and rounded edge rim give the buttons a smooth touch. The interior edges of the 4 holes are buffed to ensure effortless sewing of thread; and ensuring buttons stay on by preventing thread from unraveling. Buttons are compatible with most types of thread. Available in your choice of 2 colors: Tan Buttons, White Buttons. Ideal set of buttons whether you are looking for a few replacement buttons, or a complete set. Each set has 11 buttons measuring 1/2 Inch or 1.3 cm (13mm) which are used for uniforms. Plain Uniform Shirt Buttons are manufactured from a high quality melamine which is a form of nylon plastic material. They are extremely durable, and resistant to scratching, cracking and fading. Buttons withstand most environments, and are dry cleanable and washable. ButtonMode buttons are made with care to ensure quality, value and service. ButtonMode products are backed with an assurance policy. If you are not 100% satisfied with your buttons, feel free to let ButtonMode know so ButtonMode can take steps to ensure your complete satisfaction.