TAL 30 OZ Basin

I had this cup for about a year or two. It holds ice, very well and keeps things cold and hot. However, recently, I got it out to use it and I noticed that it leaks so that’s really the only issue. I don’t know if I don’t have the top on tight enough or what. It’s a great cup though besides that. It does have flaws and comes with the silicone straw. It is scratched