Come and see our amazing products. This 12oz wine glasses is made with high-grade 304 18/8 Food Grade Stainless Steel,anti-rust and lead free,unbreakable and stands up to heavy use through every season.clear press-on lid helps you see what's inside.his stainless steel tumbler keep your on-the-go beverages hot for three hours or cold for nine hours,perfect for for wine,coffee,drinks,champagne,cocktails. Pls confirm with us about the packing info, stock color and exact production time before placing your order.