Cinsa 311357 Camp Ware Mug, 12-Ounce, Royal Speckled Blue Speckled Porcelain Enamel non-stick finish for quick and easy cleaning Dinnerware/serve ware for camping, RV, boat, picnic and patio 3-ply Solid steel construction Non-Porous Porcelain Finish is naturally Antibacterial Porcelain enamel finish provides high resistance to scratching and chipping