The 250ml wash bottle is made of flexible, premium quality LDPE plastic, offering high chemical durability and moderate heat tolerance, capable of withstanding temperatures from -50°C to 80°C. It features a sturdy delivery tube integrated into the top screw cap for leak-proof dispensing. Ideal for professional laboratories, classrooms, and household use, the bottle measures 4.5" tall (7.5" including the nozzle) with a diameter of 2.4". The delivery tube has a diameter of 9mm, ensuring efficient liquid handling.