The product "TIRELIRE CHIBI OBELIX IDEFIX" from Plastoy does not require a rubber fastener, but is typically opened with a key. It is a money box where the money saved can be accessed by turning the key.

There is an opening at the bottom which can be closed with a rubber stopper.

The Plastoy TIRELIRE CHIBI OBELIX IDEFIX money box has a lock at the bottom that allows the money to be removed. A key is not required for this.