Silicone Spill Proof Stopper for Stanley.(set of 03)

The Spill Stopper is a specially designed accessory that is intended to fit snugly into the mouth of the Stanley 40oz tumbler with handle, including the 30oz model for 1.0 Versions only. It features a precision design that ensures a secure fit and helps prevent leaks. With the Spill Stopper in place, you can use your tumbler with confidence, knowing that it provides an additional layer of protection against.