Closed Candy Bag disappeared

[Thinker]

Candy Bag disappeared after I got it from Blacksmith.
I went to Jack O'Lantern and clicked Trick or Treating then it disappeared, is this a bug? On forum it says I need it for visiting every NPC for Trick or Treat EVERYDAY

 

[Areya]

Dear player,

Please note this is not a bug, as the item has limited usage.

Best regards,
Areya