If you're a proud owner of a Stanley Cup H2.0 40oz or 30oz, the Spill-Proof Silicone Accessory Set is a game-changer. Designed to prevent leaks and spills, this set includes 2 straw covers, 2 round leak stoppers, and 2 square spill stoppers. Made from food-grade silicone, these accessories are durable, reusable, and dishwasher safe.

Users have praised the set for its affordability and effectiveness. Many have noted that it significantly reduces spills, especially when carrying the tumbler in a bag. The straw covers are particularly well-received for their leak-proof performance.

However, some users have reported issues with the round stoppers falling off occasionally. Despite this minor inconvenience, the overall functionality remains intact, and the accessories continue to prevent leaks effectively.

Installation is straightforward—simply place the stopper on top of your tumbler lid and rotate the straw to secure it. While no instructions are provided, most users find the design intuitive.

In summary, this accessory set is a valuable addition to your Stanley Cup setup. It enhances usability and ensures your tumbler stays spill-free during daily use.