The Sea shell comes in 2 variants one is slightly smaller than the other. The first one is 3.25oz and second one is 2.2oz. Each Sea shell is made to order out of epoxy resin. Each sea shell can take 1-3 colors. Each pour is in a random pattern. Please pick regular color names and not specific shades. for example light blue, green, and red is fine but don't pick specific color of light blue as specific shades are not guaranteed. However light pink can be any shade in light pink. that is the same for any color. Resin is made to order as temperature allows. can be shipped anywhere from a few days to 3 weeks. All orders will be shipped within 3 weeks. *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*