Durable stainless steel structure The cooling ball is made from stainless steel with corrosion resistance, temperature resistance, and oxidation resistance. It can prevent rust even after long term use. Exquisite craftsmanship, safety and stability The ball has a smooth surface and a sturdy, stable structure that is not easily deformed. This supports safe use during the coffee cooling process and maintains its functional integrity. Material safety Made of food grade stainless steel, this ball lets coffee enthusiasts use it with confidence and helps keep coffee pure and from pollution. Easy to clean and stylish in appearance Easy to maintain by simply wiping with water and detergent. Its simple, elegant design complements the natural luster of stainless steel, adding a fashionable touch and fitting various kitchen, cafe, or home spaces. 2 3 specific use scenarios or applications Home use during coffee brewing: drop the cooling ball into a hot cup to help reach a comfortable drinking temperature more quickly while keeping the coffee pure. Cafe or office setting: use with multiple servings to safely cool drinks and maintain hygiene between uses. Kitchen or cafe decor: its clean, modern look blends with stainless steel appliances and contemporary interiors. Care and maintenance Rinse and wipe after use to maintain hygiene. Avoid abrasive cleaners to preserve the surface finish.