The invention concerns a bladder for an inflatable ball, in particular a soccer ball, a ball including the bladder, and a manufacturing method for the bladder. The bladder comprises at least two planar reinforcing surfaces extending in the interior of the bladder and at least one electronic device arranged within the bladder and maintained in a predetermined position by the planar reinforcing surfaces. The bladder is capable of keeping the electronic device at a determined position, giving sufficient buffering protection to the load, further ensuring preferred moving property of the ball having the bladder, and making the manufacturing process of the bladder more economic at the same time.