This set of transparent oil sample bottles is perfect for oil analysis and sampling. The bottles are made of durable and corrosion-resistant material, making them suitable for use with a variety of oils and chemicals. The bottles are tightly sealed to prevent evaporation, ensuring accurate results. Features -Color:As Shown -Material:PET -Size:8.50X4.80X4.80cm/3.34X1.89X1.89in -Capacity: 100 ml -The material used for the oil sample bottles is transparent, allowing for easy observation of color and turbidity of oil. -The capacity of bottle is proper, which is suitable for routine oil analysis needs. -The set includes ample bottles, allowing for sampling and storage of oil samples. -The sampling bottles are tightly sealed to prevent evaporation of the oil samples. -The bottles are corrosion-resistant and can be used with a variety of oils and chemicals.Package list: 6 x reagent bottles with caps