Depends. This question is like: How much does a person weigh?
50 pound
Can weigh up to 700 pounds when it is wet.
Generally a King Mattress is 185 pounds can be 10% up or down.
Depends. They vary in weight.
Depends. They vary in weight.
Depends. They vary in weight.
Depends. They vary in weight.
On average 136 pounds.
Depends. They vary in weight.
Enough to break your neck.
Alot. Good luck carrying it! ( 65 lbs )