Product Name: Heat-Resistant Glass Pipette Set Features: Healthy and Safe to Use: Made of heat-resistant glass - suitable for continuous use. High Quality: Made from first class thermosilicate glass. Durable Design: It is resistant to temperatures ranging from -20°C to +150°C and does not crack. Set Content: Includes 6 glass straws and 1 cleaning brush. Easy Cleaning: Can be washed by hand or in the dishwasher. Dimensions: The product is 20cm long and consists of 15cm straight and 5cm curved parts. Transparent Glass: The product is made of transparent glass. Width:6mm