This Epoxy Resin Medusa is approximately 3x2.5x4.5 and weighs approximately 10oz. This is made from epoxy resin. There are 2 options available which are shown below. one is mostly blue and the other is mostly green *Note: Resin products may contain small bubbles or inclusions and those are a natural part of the resin process. It adds to the handmade and uniqueness of each piece"