Stanley Cup Accessories Set Including 9 Pcs Silicone Spill Proof Stopper,3 Pcs Cute Straw Cover Cap for 9-10 mm Straws, 3Pcs Reusable Straw and 1 Cleaning Brush for Stanley Cup 40oz & 30oz

Al cerrar la entrada de aire con el tapón del popote el frío permanece por más tiempo. Se ve muy lindo mi vado. Personalizado.

Okay I bought the se because I swooled my drink a lot because I have tremors in my hands. So now that I got these and put them in it's really cool because if I spill it nothing comes out very great project and I would buy it again

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This is an amazing product! I bought this for my daughter since she got a Stanley 40 oz today and it has a serious leaking problem. But this stopper set has really stopped the leaking, but from the straw cover it leaks a tiny bit. But prevents leaking from the sides. The rectangle part is kinda hard to put it at first but is easy to get out! I recommend this product for your Stanley! On one of the straw covers it looked kinda weird inside like if they messed up the filling, but it's ok!

台形のものは全然サイズが合わずはまりません。