【SMALLER BOTTLE】：Smaller size. The bottle has a capacity of 3 oz, enough to meet testing needs. The bottle size is 2.16*1*3.9 inches, similar to a credit card; Made of high-quality HDPE material, it is sturdy and durable, with good sealing and no leakage. It can be reused without deformation or crack 【UPGRADED LEG STRAP】：Silicone layer design. You can adapt to more scenarios without worrying about slipping off; The leg strap size is 2*23.6 inches, with extended length, increased width, and high elasticity. It can stretch up to 45 inches, suitable for most thigh sizes. The wider design makes it more comfortable to wear 【EASY TO USE】：Stick the temperature strip on the side of the bottle, it will immediately display the temperature. It’s quick, accurate, and easy to read, saving you time and allowing for real-time tracking; The sample bag has a velvet pile lining, providing good thermal insulation while wrapping the bottle 【ACCURATE AND WIDE RANGE】：The temperature strip can quickly and accurately mark the temperature. You can use these thermometer stickers to measure temperatures from 90-100 degrees Fahrenheit and 32-38 degrees Celsius. Comes with 10 temperature strips to meet testing needs 【PACKAGE INCLUDES】：You will receive 2 translucent bottles, 10 temperature test strips, 1 hi-stretch leg strap, 1 thermal sample bag, and 1 practice card; The ample quantity will meet your usage needs and help you practice and prepare in advance, reducing tension and anxiety. A gift of peace of mind This bottle set can measure temperature very well. It is also very simple and convenient to use. You only need to stick the temperature measuring paper on the side of the bottle, and the temperature measuring paper can mark the temperature. Lightweight and easy to carry, of course, you can also use the leg strap to secure the bottle to your thigh whenever you need it.