Beonsky Cup Accessories Set for Stanley Tumbler, 8PCS Including Straw Cover Cap, Spill Proof Topper, Silicone Boot for 40/30/20 oz

The media could not be loaded.  The cup is obviously not a Stanley but my daughter paid $45 for it and it would pour out of the lid when spilt... Bought this hoping it would at least stop most of that. Sure enough it isn’t a 100% leak proof!!! Very happy with this! Bottom no slip boot is just a tad oversized but nothing heat shrinking can’t fix!

Bought for my Stanley cup. Works great!

Arrived as well expected , no issues were noted at all until receipt, some items were missing and some were wrong size ( I was offered $3 refund on $23 purchase, or send back at my cost)

Le ajusto perfecto a mi vaso

Works on fake cups, the cap doesn’t stick onto the straw so it is easy to come off. It’s lose but kind of stays on. Still leaks a little through the straw but everything else is held in, I’d rather it leak a little bit than pour out completely. The boot for it fit perfectly on here as well. If you’re wondering which off brand cup I have it’s the $25 one not the $13 off here it works just as good as the name brand one.