A Cold Cup made of recycled glass from Spain – perfect for enjoying iced or blended beverages. Starbucks® Recycled Glass Cold Cup, 16 fl oz A glass version of our iconic Starbucks® Cold Cup. Enjoy favorite iced or blended beverages in this cup made of 50% post-consumer recycled glass. The acrylic lid features a silicone seal, and the reusable plastic straw stays attached to the lid. Intended for cold beverages only. Dishwasher safe. Do not microwave.