The 30oz in-vehicle insulated coffee cup with straw and handle is made of stainless steel. It has a leak-proof lid, a straw, and a handle, which is very convenient to carry and use. With air insulation technology, beverages can be kept warm for up to 7 hours or refrigerated for up to 18 hours. Fits most car cup holders. 3 1/2" D x 9 5/8" H