An airbag with a system for detection of the airbag readiness, wherein, - the airbag comprises a pneumatic frame with an airbag cover, having side covers, a top cover and a bottom cover, preferably wherein the airbag additionally comprises a baffle dividing the volume of the airbag into two chambers; - the system comprises at least one constituent component, a power source, a connector, an electronic system with at least two -colour variable colour lighting connected to constituent component, wherein the electronic system is configured to determine the state of the lighting; wherein at least one constituent component is in the form of a tie element, one end of which is attached in a fixed manner to the top or side cover of the air-bag and the other end attached to the connector, and wherein said tie element is fixed indirectly via the connector to the airbag cover, preferably to the baffle of the airbag, wherein the connector is attached to the airbag cover which is the bottom cover, the side cover, preferably to baffle, wherein the connector is a mechanical connector or a tension sensor or combination thereof, wherein the power source is portable and at least two-colour variable colour lighting are connected to constituent component, wherein connector detects tension of tie element for signalling by lighting the first colour of lighting when the airbag is not ready to receive an impact, while the second colour signals when the airbag is ready to receive the impact. - the airbag comprises a pneumatic frame with an airbag cover, having side covers, a top cover and a bottom cover, preferably wherein the airbag additionally comprises a baffle dividing the volume of the airbag into two chambers; - the system comprises at least one constituent component, a power source, a connector, an electronic system with at least two -colour variable colour lighting connected to constituent component, wherein the electronic system is configured to determine the state of the lighting; wherein at least one constituent component is in the form of a tie element, one end of which is attached in a fixed manner to the top or side cover of the air-bag and the other end attached to the connector, and wherein said tie element is fixed indirectly via the connector to the airbag cover, preferably to the baffle of the airbag, wherein the connector is attached to the airbag cover which is the bottom cover, the side cover, preferably to baffle, wherein the connector is a mechanical connector or a tension sensor or combination thereof, wherein the power source is portable and at least two-colour variable colour lighting are connected to constituent component, wherein connector detects tension of tie element for signalling by lighting the first colour of lighting when the airbag is not ready to receive an impact, while the second colour signals when the airbag is ready to receive the impact. constituent component, wherein the electronic system is configured to determine the state of the lighting; wherein at least one constituent component is in the form of a tie element, one end of which is attached in a fixed manner to the top or side cover of the air-bag and the other end attached to the connector, and wherein said tie element is fixed indirectly via the connector to the airbag cover, preferably to the baffle of the airbag, wherein the connector is attached to the airbag cover which is the bottom cover, the side cover, preferably to baffle, wherein the connector is a mechanical connector or a tension sensor or combination thereof, wherein the power source is portable and at least two-colour variable colour lighting are connected to constituent component, wherein connector detects tension of tie element for signalling by lighting the first colour of lighting when the airbag is not ready to receive an impact, while the second colour signals when the airbag is ready to receive the impact.