Idea Companion for Cup: Are you still troubled by the leak of tumbler? Our spill stopper set is the best solution, it keeps your cup completely spill stop.
Adaptation specification: Universal fit, suitable for Stanley Cup 1.0/2.0, no longer worry about inappropriate size
Straw Topper: The straw tip cover cap stop water from spilling out of the straw, and can stop other items from entering through the straw.
Round Leak Plug: Installed in the middle of the inside of the lid for sealing, with a cross opening design to ensure that air enters when drinking water, making drinking water easy.
Square Spill Stopper Seal: Installed in the straw hole of the lid, it not only forms a seal, but also holder the straw.