Patent ID: 7287656

Claim:
A container for promoting thermal transfer between a consumable liquid and a second liquid comprising: an outer shell; an inner membrane integrally attached to the outer shell, wherein the outer shell and the inner membrane cooperatively define a first compartment and a second compartment such that at least 50% of the surface area of the second compartment is located adjacent to the first compartment; wherein the first compartment defines a first opening adapted to receive the consumable liquid and the second compartment defines a second opening adapted to receive the second liquid; a first cap adapted to be fastened about the first opening and a second cap adapted to be fastened about the second opening; and wherein the outer shell includes a first indicator near the first opening and a second indicator near the second opening, wherein the first cap and the first indicator are a first color, and wherein the second cap and the second indicator are a second color that is noticeably different than the first color.