Made from 304 stainless steel materials, Kollea beer chiller stick is very safe for humans. The liquid insides contain water (74.8%), glycerol (23%), and other food-grade chemical elements (2.2%). The lowest freezing point is -46.5℃ / -51.7℉. The stainless steel tube keeps your drink cold without watering it down!

Just freeze the tube and insert it into your bottle. Now you can take your time drinking, and rest assured that your bottle will stay ice cold!

Dishwasher safe, smoke free environment, fun gift.