16oz Skull mason jar is made from safe food grade plastic material.The skull mason jar is in the novelty design.It is fun for parties and events.It is quite good for Halloween parties.The skull mason jar comes with lid and straw scraw.It make sure the lid and jar body will not be sperated when people holding drinks and walk around.The straw can not be put out from the straw hole.It is more safe to use.We can customize color of the straw,jar body and lid.In this way, the overall look of the skull mason jar is more beautiful and attractive.The capacity of 16oz skull mason jar is just OK, not too much or too less.It is just right to have fun at parties and enjoy the drinks!The skull mason jar is available to electroplate.We can produce it in single color or 2-4 colors on the jar.