Cheer on your Colorado Rockies with this Double-Wall Plastic Mason Jar mug with straw! Keep your favorite beverage cool all game long as you show off some Colorado Rockies pride with this mug. The double-wall construction of this Colorado Rockies mug helps insulate your drink and the screw-top lid keeps it from spilling if your cheering section gets a little rowdy. Grab the handle on this sturdy mug and everyone will see your Colorado Rockies spirit shining from its printed graphics.