Milk/baby bottle thermometer - baby bottle's best partner protects your babies from heat. Instructions: 1) Stick the thermometer label upon the milk bottle. 2) When the green color indicates the current temperature of the milk bottle.It protect the baby from heat. 3) When disinfecting the milk bottle under high temperature or cleaning it with water, take off the thermometer label. 4) This product is toxin-free and harmless.Use wet cloth to clean it. It's also a cheapest but most useful promotion gift for milk/baby bottle which sure will increase your milk bottle sales volumm