Strawless Lids Are Perfect For Serving Iced Coffee And Other Cold Starbucks Drinks In 12 Oz, 16 Oz And 26 Oz Starbucks Cold Cups. This Recyclable Lid Is Starbuck'S Answer To Eliminating Plastic Straws. Easily Sip Drinks From The Teardrop-Shaped Opening About The Size Of A Thumbprint. Lids Are Made Of Polypropylene.