Cooler allows the cooling process of hot drink no longer limited to specific containers. It can can be cooling down the hot drink or soup with stirring .The stick body adopts food-grade 304 stainless steel materials, acid proof alkali. The interior space is filled with environmental friendly physical cooling material. Cooler’s appearance comes from the perfume test stick. It can cooling your drinks without changing or diluting their taste. It’s a great ways for cooling hot drink rapidly!