Check out this great design from cafepress fermata upside down Thermos® Bottle (12oz)
fermata upside down Thermos® Bottle (12oz)
fermata upside down
Holds 12 oz. of your favorite beverage TherMax® double-wall vacuum insulation helps retain temperature Keeps beverages cold for 12 hours Hygienic push button lid with pop-up silicone straw 2.62 W x 2.62 D x 7.38 H Made by Thermos® Hand washing recommended