Glove King Premium Black Nitrile Gloves from PermaSafeare powder free, latex free, and non-sterile. The nitrile gloves are extra thick, measuring 6 mil, ideal for heavy duty industrial and automotive use. Additionally, they are designed to provide a flexible fit, are chemical resistant, and offer biological protection. Packaged 100 per box and ten boxes per case, the gloves are available in sizes from medium to XL. They have a three year shelf life.