These bottles come with inner thread for superior sealing and better security. Opaque amber colour reduces UV light transmissions to protect light sensitive samples. Precise graduations allow good view of the product without the use of volumetric products. Highly clear bottles for complete visual view of contents inside the bottle. These bottles are used for packing, shipping and storage purpose. Superior chemical resistance. Suitable for used with food. Complete emptying is guaranteed through inclination of shoulders. Suitable for storage of low densed liquids.