The bottle is made of translucent plastic, which is strong and durable. It will not leak, deform, crack, or emit odors after multiple uses. Features hidden high-elastic leg straps for a secure and comfortable fit. Extended design to accommodate various leg shapes. The neoprene bag is elastic and securely wraps the bottle without shaking, providing good insulation. Simple operation: attach the test strip to the side of the bottle, pour in urine (liquid level must cover the temperature strip), and the temperature is displayed immediately. This urine test kit is ideal for measuring urine temperature, with color-coded strips for easy reading. Saves time and effort. ACCURATE AND WIDE RANGE: The thermometer quickly and accurately indicates urine temperature (instructions included). Measures temperatures from 90–100°F and 32–38°C. Suitable for use in hospitals, laboratories, and other settings. Material: Plastic. Color: White + Black. Package Contents: 2 x Empty Bottles, 10 x Temperature Test Strips, 1 x Extra-Long Soft Highly Elastic Leg Strap, 1 x Bag. Only the items listed are included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1–3 cm.