This product is laboratory sample bottles, made of materials, so it can serve you for a long time. High-end materials can ensure its durability and practicality. Very suitable for use in laboratories, chemistry rooms, schools and so on.Features- ColorTransparent- Material: PET.- Size: 2.00X2.00X4.50cm0.79X0.79X1.77 inch.- Capacity: 5ml.- Made of high grade material, for your safe and using.- Precision molded for consistent wall thickness and smooth interior and exterior surfaces.- Hold your laboratory using water etc without any leaks and are sealed in.- Applicable to a variety of scenes, such as laboratory, school, and more.- The bottom of the product is smooth and placed smoothly.Package list: 30 x reagent bottles