Made of high quality metal and silicone, anti-corrosion, durable and reusable, more sturdy than plastic. Buttons are free of seams, and the waistband is large, quick and convenient. Quickly add extra space to the waistline area of your favorite dress pants. Great for pants where the waist is too tight but the length is perfect. Each purchase will include 2 of the Extended Buttons (Random Colors/Patterns)