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Flat to flat rivets for more cycles,solid rivets for cross tubes.

Heat treated manganese steel and reinforced end tube for protection  in case people sit at the open bed.

Inner spring mattrss thickness 5- 6" .

It is much easier to operate than normal square tube contract sleeper mechanism.

More comfort both  sitting and sleeping because of breathable and fireproof heavy duty deck.

Optional for black color and silver color.

This product is a solution to replace normal square tube contract sleeper, because it  is too hard to open and close for ladies,also side square tubes  are easy to be plastically deformed  or damaged once people sit in the end or side of sleeper.