This trendy camping mug is enamel and has a stainless steel rim that accommodates 16 ounces. It has a speckled finish for extra flair. For any event that you are arranging, you have the option of selecting black, blue, green, red, or white as the color scheme. This item does not contain any BPA, phthalates, lead, or other harmful chemicals. They are constructed of food-grade materials that have been FDA-approved and passed California Proposition 65.