Features: Baby formula temperature sensitive stir bar can quickly and evenly mix formula with water, ensuring that baby drink formula at the appropriate temperature. Food grade silicone, build-in stainless steel support, soft and comfortable to the touch, easy to clean. With over-heating temperature sensitive color changing function, when the temperature is high, the stirring rod will turn white, more considerate. Cartoon bear designing, V-shaped designing claw, can touch most of the bottom grooves of the bottle, stirring without dead corners. Loss prevention hanging hole, easy to use, convenient for storage. Specifications: Component: Silicone+stainless steel Color: pink, blue(optional) Size: about 21.5cm/8.46inch, 3.3cm/1.3inch Package Includes: 1Pc Milk Powder Mixing Rod note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.