The BELO glass series by Frederike Martens is made of high-quality, hand-blown glass, which can be recognized by small irregularities such as flow lines, small bubbles and minimally different material thicknesses, which in turn allows the color to vary elegantly from glass to glass, the large-volume glass bodies are colored throughout , the stem remains clear, the rim is ground and polished, providing a perfect finishing touch to the soft silhouettes, hand wash is recommended