THIS GLOBE IS GLASS. I BELIEVE THAT THEIR IS JELL INSIDE WITH THE JELLYFISH AND CORAL. THERE ARE NO TAGS OR MARKINGS. IT IS A TAD UNDER FOUR INCHES TALL, THREE INCHES WIDE. THE BASE IS PLASTIC. PICTURES ARE PART OF THE DESCRIPTION. IF YOU HAVE ANY QUESTIONS LET ME KNOW. ITEM WILL BE MAILED AFTER PAYMENT. IF YOU PURCHASE THIS ITEM YOU WILL HAVE AGREED WITH MY NO RETURN POLICY. THANK YOU