Come and see our amazing products. Camping mugs are made of enamel material.16oz typical size, lightweight,traditional style, unbreakable,ceramic coated mugs for use with cowboy coffee around a backyard campfire, or for a potluck outdoors.They won't break as easily as ceramic or glass mugs.Metal doesn't insulate your hand from the heat of the drink.So need take care. Cool enough to hold. Pefect come cooler spring and autumn temperatures.Suitable for bear,coffee,juice,milk,coca cola,liquor etc.Packed with bubblewrap and honeycomb paperboard partition.3.54" diameter. Pls confirm further with us if any query about packing info, inventory status and time schedule.