Packaging includes: which are sufficient to use and replace, can satisfy your daily experimental use and replacement requirement. Stable Material: The wide mouth reagent bottle is mainly made of plastic, which is stable and serviceable, and you can rely on their durability as they are designed to withstand repeated usage, temperature resistance 120-135 degrees Celsius. Capacity & Size: the 8ml PP bottles body diameter is 25mm, the bottle height is 45.5mm, the bottle mouth inner diameter is 13.7mm.The bottles main color: translucent .You can clearly view the contents of the Chemistry Sample Glass Bottle and easily identify the items you stored. Physical Resistance: the 8ml PP bottles have the thick walled and wear resistant structure that prevents cracking and perforation makes them have high surface stiffness and scratch resistance, and they are also precision molding, uniform wall thickness and smooth inner and outer surfaces. Wide Use: the are suitable for liquid, reagent and sample storage. Widely used in various food factory, chemical plant, classification of packaging applications in various industries. Material: plastic colour: Package Contents: 50 x Sample Bottle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.