This camping mug is made of high quality enamel coatings, which makes the mug resist rust and keep bright for years, BPA free and no more toxic substances into your drinks. Rimless design for smooth drinking and complete cleaning, no more drink residue trapped inside the cup rim, this mug is ideal for cold or warm drinks, used as coffee mug, tea mug, beverage mug, drinking mug, milk mug, camping mug, travel mug, etc. Lightweight 12oz mug is perfect for home use, office, restaurant, parties, gatherings, campings, picnics, etc. Customized with a brand name or logo, you can make a lasting impression with every sip.