Waterproof colorchange thermometer strips for cups and containers. Made with waterproof paperbased material, these adhesive temperature indicators are durable for longterm use and resistant to wear. Colorbased temperature reading. The indicator changes color to show the beverage temperature at a glance, so you can assess heat level without reading numbers. Ready to use. Simply peel and stick the thermometer strip to a coffee mug, teacup, bottle, or other container where you need daily temperature measurements. No tools or power required. Wide temperature range for typical drinking temperatures. The colorchanging label covers the range common to drinking water temperatures, helping ensure tea is not too hot and coffee can be enjoyed at a comfortable temperature. Compatible and versatile. Suitable for coffee mugs, teacups, travel mugs, water bottles, and other containers where temperature monitoring is helpful. Practical use scenarios: Check when hot coffee or tea reaches a comfortable drinking temperature without guesswork. Monitor beverage temperature on travel mugs or bottles during commutes or workouts. Use in the kitchen for preparing beverages or for children's drinks to gauge safe serving temps.