12pcs 20oz Sublimation Blanks Tumbler With Bluetooth Speaker

this is my my go to when I need an order and I know the delivery will be quick and customer service is on top of their game when it comes to taking care of the customer

good quality tumbler to work with.

I have ordered tumblers from this company several times and love the quality of the 20oz flat edge. So I decided to give the speakers a try. The white and black speakers are not that bad but the grey ones do not screw on properly, it seems as if they are cross threaded. One slight turn and the speaker comes off. I can’t sell them with a clear conscious