"Please Don't Leave Me In This Shithole I Mean...Yah New Job! Congrats" Engraved Front: Because honesty is the best policy (especially when it's passive-aggressive).
Blank Customizable Back: For your personalized brand of office angst.
Durable Stainless Steel: To withstand the weight of your resentment.
The Perfect Gift: For that coworker who's leaving you in the lurch (but you still kinda like).