Pocket Spring each spring is individually wrapped in a small non-woven fabric sack-"pocket"- and held in a row among one another, forming a system. Pocketed spring units are particularly known for their high point by point elasticity, leading to independent motion and noiselessness when one sleeper moves. they are used for mattress or sofa inner core.
It packts by compressing to flat or roll, and still have good condition after unpacked.