It's made from colored glass, not painted. As these are made one by one, none of them are exactly equal they may show slight variatins in shape, size and color so it makeS each piece unique! When it is ready the artisan takes the piece to a tunnel to follow the process of tempering so it is resistant to changes of temperature. SIZE: 3.14 inch Width x 5.11 inch Height | 8 cm Diameter x 13 cm Height --- Capacity: 16 fl. oz. ~ 470 ml. Olfa RTY4 18MM Rotary Cutter. Designed for cutting tight corners, curves and circles on cloth, paper, vinyl, film and leather. Excellent for applique Aazon.co | Hand Blown Drinking Glasses Artisan Crafted fro exico... Dinking Glasses - Mexican Hand Blown Glass fo you Ba ARTISAN CRAFTED: Each of these glasses are handcrafted by professionals artisans. These pieces have followed a process of recycling from being any type of glass like a broken bottle of tequila or beer, then it has been cleaned. After cleaning the broken glass it goes to the industrial oven to be melted at 1,300 ºC or 2,372 ºF. LEAD FREE: Our blown glass products do not contain lead, heavy metals or any toxins nor they release any of its color. Blue Glassware 8 Mexcan Hand Blown Drnkng Glasses | Hand Blown, Drnkng Glasses Margarita Glasses Set Of 4