Crafted using an innovative high-tech method of merging stainless steel and hand-blown glass, creating an ultra-thin high-quality overlay with a classy mirror shine. The coating on the bowl's surface provides a special, unique experience of perfectly random shades and reflections. Perfect for those seeking exclusive glass decor items that radiate elegance and a hint of opulence. black exterior / titanium interior Use a damp cloth, preferably microfibre (non-abrasive), to pass over the bowl’s surface. Dry it using a dry microfibre cloth. Use neutral dish detergent to remove grease, then rinse well with water and dry with a soft cloth, again preferably microfibre. Glass 99. 98%