Roor bongs approach in a diversity of shapes, sizes, and thicknesses. All Roors are glass on goblet method manifold piece bongs that use earth glass joints to form wonderful seals lacking with any rubber or metal. Roor makes a variety of dissimilar bong models that can be illustrious by the color of the Roor symbol or label. Each replica comes in a diversity of sizes with a variety of skin obtainable.