Artisan Salime Cruces of Mexico designs a unique and stunning set of four handblown tumblers out of recycled glass. Translucent with swirls of deep purple, the glasses are intentionally irregular in shape and have the captured air bubbles characteristic of handblown glass. The artisan's commitment to eco-friendliness goes beyond using recycled glass, as the kilns are fueled from recycled cooking oil collected from local restaurants. Recycled glass tumblers Size : 4.8" H x 3.2" Diam.