It’s not written precisely, but our daughter (2.5 years) weights 11kg and jumps a lot in the bed and it’s still in a very good shape.

Only the packaging was damaged. The item itself is not affected according to my information.

normally the complete ones should be

The mattress is not included in the delivery.

There are three slip rungs on one side of the bed that can be removed. At the top of the slipping rung there is a spring which makes it "easy" to remove. However, some pressure is required so that it is not so easy for small children to remove the rungs. But by the parents, the rungs can theoretically be installed in the evening and removed again in the morning so that the child can climb out.