DescriptionThis is a straw, made of high glass, durable and long lasting use. Eco-friendly, reduce the use of plastic. With the heatproof function, it is very safe to put into some hot water. Suitable for experimental use.Features-Color: As Shown-Material: glass-Size: About 40.00X2.00X2.00cm/15.72X0.79X0.79inch- Made of materials, durable and safe for a long time use.- With fine workmanship, not easy to wear and tear, very practical in use.- Eco-friendly, non-toxic, to your health.- Perfect for medical or use.- Also can be a good gift to your friends and family members who love doing experiment.