Webif you see something labeled “nwt” on poshmark, that means the product is brand new with the tags still attached. This label indicates that the item has never been. Webever see a listing labeled “nwt” and wonder what that means? These are new items, with tags still on (new with tags) that are for sale. You know, that impulse dress you. Webi just mailed out my first sale today! For years i've thought/talked about flipping the amazing things i find thrifting. I'm finally putting the info i've learned to use! Web‘nwt’ stands for ‘new with tags’, indicating that an item being sold on poshmark is brand new and still has its original tags attached. So, if you’re a savvy.