The term 'Frozen Treat Brand' can be summarized by two crossword solutions: ICEE (4 letters) and POPSICLE (8 letters). ICEE is a brand of frozen carbonated beverage that was first introduced in 1967. It is now sold in convenience stores, movie theaters, and other locations. POPSICLE is a brand of ice pop that was first introduced in 1905. It is now sold in many different flavors and varieties.