Plastic spout cap are commonly used in small metal or plastic containers. Its main function is to help dispense liquid products accurately. The major characteristic of this cap is its flexible spout. The applications of plastic spout caps include oil packaging, paint packaging and chemical packaging.

Design of these flexspout caps varies depending on types of containers and contents inside. A common plastic spout cap is made up of two parts, one part is the pull ring cap on top and another part is the fexible spout below. There are usually different colors of plastic spout cap to choose from for customers.