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Silicone Spill Proof Stopper Set of 3, Compatible with Stanley Cup 1.0 40oz/ 30oz, Tumbler Accessories, Including 2 Straw Cover Cap, 2 Square Spill Stopper and 2 Round Leak Stopper (Blue)
Prevents Spills and Messes Stanley tumbler accessories come with anti-spill plugs that prevent any liquid from overflowing out of the cup, making sure you don't have to deal with spills or messes. High-Quality Silicone Material Stanley cup spill stopper set of 3 Is food grade silicone, reusable, Bpa free, dishwasher safe. Versatile Capacity The product is available in two capacities - 30oz and 40oz - making it compatible with stanley cup size of 1.0

Price is $4.00

Price: $3.99