DOUBLE-WALL INSULATION: Keep your beverages ice cold and refreshing with the double-wall freezable crystal-gel insulation. No need to water down your favorite beverage with ice ever again!FUN FLASHING LIGHTS: These freezer mugs not only keeps your beverages ice cold but are also fun to use. Pick from 3 fun light settings that include flashing, standard, cascade. Great for kidsOFFICIALLY LICENSED: Team colored freezer mug features team colored handle and centered full team color logoMULTI-PURPOSE: Perfect for beer, soda and water. Ideal for pool and beach days, camping and picnics. Great for outdoor areas where glass is not permittedGREAT GIFT IDEA: Perfect gift for the loyal sports fan. Makes for an awesome gift for birthdays, anniversaries, Christmas, and other special holidays