An ice maker that creates transparent ice spheres with a diameter of 7.0cm, manufactured over 36 hours using a three-layer structure. - Brand: ANZZYUU - Product Name: Pure Ice Maker - Size: 2 ice spheres with a diameter of 7.0cm - Structure: Three-layer structure - Manufacturing Time: 36 hours per ice batch Thank you for viewing. I purchased this on Amazon and used it several times, and it made very beautiful, round ice spheres. I am selling it because I no longer use it, as I have changed my glassware.