Paper Thermometer Strip Material and safety: Made of paper, this thermometer strip is healthy, environmentally friendly, and will not produce harmful substances during use. Color change indicator: The colorchanging design provides a quick visual cue to the water temperature, so you can know the cup temperature without reading numbers. Easy to apply: Just peel off the transparent protective film from both the back and the front of the sticker, then stick it on a coffee mug. Temperature range: 070 C, a practical range for coffee cup temperature measurement. Key benefits Nontoxic, ecofriendly construction that aligns with daily beverage use. Quick, intuitive temperature awareness through color change, reducing the guesswork of when a drink is at your preferred temperature. Simple onestep application to mugs—no tools required. Range tailored to typical hot beverage temperatures, covering most coffee and tea needs. Use scenarios Home kitchen: Prepare coffee or tea and confirm it is at a comfortable sipping temperature before drinking. Office or cafe setting: Attach to mugs or cups to quickly check beverage temperature for yourself or customers. Travel or daily use: Stick on a travel mug to monitor sipping temperature on the go, helping avoid burns.