A soft bottom pad adds traction to the glass to help prevent slipping and reduce clanking on any surface. Your drink will taste just as delicious as it would inside, thanks to a rounded rim and wide body that enhance the drinking experience. Go ahead, bring that rare whiskey on your camping trip and make a new memory with your friends. The Coleman sundowner insulated rocks glass makes it easy to pair your favorite cocktail with your favorite outdoor activity. Made with vacuum insulated stainless steel, this insulated rocks tumbler keeps ice cold for up to 9 hours - perfect for sipping on your favorite rocks drink in the great outdoors.