2-in-1 Spout and Flip Straw Lid Design: The lid features a dual-function design allowing for both straw and direct sipping; insert the transparent plastic straw (not included) into the connector at the bottom of the lid to activate the flip straw mechanism
Tumbler Accessories: Replacement lid for tumblers; lid only, transparent plastic straw not included
Press-In Lid: Only fits press-in type tumblers
Fits for tumbler with a inner diameter of 3.75in/9.52cm open mouth