Its a 7 letter word remove 1 letter remains same

Advertisement
A puzzle for you...

Its a 7 letter word.
If we remove 1 letter from it, it remains same.
If we remove 2 letters from it, it remains same.
If we remove 3 letters from it, it remains same.
If we remove all the letters from it, still it remains same.
Whatz it ?

Click here for Answer

POSTBOX
No matter how many letters you remove from it,
It still remains a PostBox.