In addition to the elegant shapes and fine rims, Meridian glasses were produced using an exclusive formula, resulting in brilliant clear glass, which has a beautiful sound and maintains its clarity even after countless wash cycles. Due to its handmade nature, slight imperfections and air bubbles can occur. Rinse thoroughly to maximize your tasting experience.  Semi-Handmade Czech Republic Material: Unleaded Crystal Color: Yellow Overall Dimensions 4.0"L x 4.0"W x 4.5"H 18oz General Care Hand-Wash Recommended