The best tumbler straw set ever. Corkcicle’s stainless steel tumbler straw is the coolest accessory for those who want to sip in style. The reusable tumbler straws fit perfectly into 16oz and 24oz Tumbler and have a curved opening for maximum sipping comfort. Now, every 2-pack tumbler straw comes with a wire cleaner to keep them as fresh and clean on the inside as they are on the outside.