Spill-Proof Silicone Accessory Set for Stanley Cups - Includes Straw Covers, Round and Square Leak Stoppers - Anti-Dust Tumbler Accessories

My daughter and I were disappointed with how much the Stanley cups leak. These nicely fit stoppers truly helps! My daughters 40oz doesn't leak at all, my 30 oz does maybe a driplet. Honestly, I'm nervous of tipping it over like my daughter does hers all willy nilly. I like the simplicity of the rubber and the top stopper seems like it can handle alot of putting and pulling off. Great product, great price.

Love it. Cheap and works exactly like it should for my 40oz Stanley.

Just like the picture only have it a 4 star because the stopper doesn’t fit but everything else worked fine

Works very well with a 40 ounce steel cup from Spencer stores. This cup I used also has a turn around to close part like Stanley has. I did get the straws and cup boots too. No leaks. I will say even if you don't have a Stanley cup it was worth buying the accessories. I am very happy with this product.

Bought as a gift/stocking stuffer and went over very well. Everything fit nicely and worked as expected on the Stanley.

the stoppers are really cool. only thing we don't like is the limited vacuum it has which is expected. the bigger piece falls off here and there during drinking. just lands in your water which is kind of funny to me. without the bigger piece, water will spill out. it was easy to put on without instructions. i just personally don't like when i want to take bigger gulps, it limits how much i drink, considering that my stanley (40oz) is my go to gym cup.

Real picture🖼️

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