These black plastic straws are ideal for a variety of uses including cocktails, coffee drinks, sodas and juices. The Unwrapped Black Slim Straws (03955-10) from Espresso Supply are eight inches long with a diameter of four millimeters. The slender design and dark color of these straws make them perfect for serving beverages at the most formal events or for simple everyday use. With a diameter of four millimeters, these straws will prevent ice or seeds from becoming lodged in the tube. This item is packed and shipped 500 straws per box, 10 boxes per case.