NWT Starbucks Purple Recycled Glass Cold Cup 💜 This 16 fl oz, single-wall, sustainability-collection cold cup is made with 100% post-consumer recycled glass, with a 100% post-consumer recycled plastic lid and straw. – Single-Wall Glass – For Cold Beverages Only – Hand Wash Only – Do Not Microwave Questions? Leave a comment below! Check out other Tumblers/Cups on my shop and bundle to save on shipping! Make me an offer!!!