NWOB New with tag, no box like a bright sky clear of all clouds, we come into this world clean, little hearts shining. may this birth day glow like that sky: a clear and joyful little boy blue. Each Core glassybaby is hand-blown in our USA hot shops. A team of up to six artisans work in unison to craft each unique glassybaby. Made from a single layer of colored glass hand-blown between two layers of clear glass. True color comes from solid glass color rods that produce opaque, translucent, or transparent glasses.