Bomb-proof backpack designed by Israeli Hila Raam. Photo: Screen shot.

An Israeli designer is offering a new twist on an old school accessory, one that might come in handy for Israelis looking for extra protection in times of crisis.

The UK’s Daily Mail reports that Hila Raam, 27, has developed a bomb-proof backpack, and aims to target the Israeli market.

Though it protects basic vital organs, Raam says the bag isn’t meant as a comprehensive safeguard against threats, but rather as a first line of defense in the event of an emergency or terror strike.

To activate its lifesaving properties, wearers  pull a pair of side straps on the bag and yellow strings from the hood, and lie flat on the floor.

The backpack, which costs around £300 ($466), can fully protect the brain, heart, liver and kidneys from the impact and fallout of an explosion, using 19-layer Kevlar fabric at its core.

Miss Raam told The Daily Mail: “This bag pack is no ordinary bag – it can save lives. It is easy to use in real situation.I aimed to create a product that will always be with you and is part of your daily routine, so if there is a real situation it will be ready to use.”