Signature Tumblers 6pc Reusable Thick-Wall Straws (Pink) Genuine Signature made in USA extra-tough drink straws, fit Tervis, Signature and other tumblers 1.0mm-thick polycarbonate won't collapse under pressure (think REALLY thick malts!) Made to be used over and over - better for environment than disposable straws Adjustable silicone band keeps straw from sliding through lids Six 9" straws, 7mm outside diameter, dishwasher-safe