Designer Scott Amron’s insulated coffee cup concept eliminates the need for a separate cup sleeve. Pouring a hot beverage into the stackable cup prompts the band on the cup’s midsection to swell, forming a cool-to-the-touch insulating collar. Amron says the concept is recyclable and biodegradable, nontoxic and FDA approved. The active area also has the ability to swell “strategically” to reveal a logo or graphic when a hot drink is poured. (Concept: Amron Experimental,