The Arky AED Large rucksack is highly durable and roomy, designed to hold and safely carry an automatic external defibrillator as well as First Aid supplies for quick emergency response. The Arky AED Large portable defibrillator Aid bag is extremely resistant to abrasion and adverse weather conditions and is waterproof. It has comfortable and sufficient spaces for a portable defibrillator as well as First Aid supplies and accessories such as bandages, gauze, scissors, and is designed to be opened quickly so that valuable time is not lost in emergency situations. It has four (4) internal detachable pockets with a transparent front, for quick identification of contents, which are fixed to the walls of the bag with Velcro® strips. In addition to these four (4) pockets, inside there are elastic loops, sewn to the walls of the bag, for additional organization and storage of First Aid materials, while two (2) adjustable lashing straps guarantee the safe and secure transport of the automatic external defibrillator. The First Aid Bag Arky AED Large has a large pocket on the outside which opens and closes with a zipper but also two pockets sewn on its outer wall, one of which closes with a zipper and has three (3) inside elastic eyelets while the other secures with Velcro® tape and has a small transparent pouch on its front that closes with a zipper. It has a bright red color and reflective strips on its front, sides and shoulder straps to make it easier to distinguish. The Arky AED Large rescue bag is designed for comfortable, everyday use. It has reinforced, adjustable shoulder straps as well as a soft reinforced pad and an adjustable waist tightening strap for a better fit and comfortable carrying. One of the two handles it has can also be used to transport it, while the base has durable rubber feet for safe depositing on the ground.