Promotional Silicone Reusable Straw Topper Covers

CPN-564674392

Our straw caps have a diameter of 10mm (0.4in) and are designed to be perfectly compatible with the Stanley 40 oz/30 oz tumbler with handle, and for the simple modern 40 oz tumbler with straw. They also fit all large-diameter long straws with a diameter of 9-11mm, but please confirm the size of your straw before purchasing the straw cover cap.