Cotton braided cord, 5 mm, 165 yards (150 meters) (t-shirt yarn 7-9 mm or polyester cord 4-5 mm, 175 yards (150 meters). In this example, Im using the cotton cord - Bobbiny, 5 mm.

Kit for backpack (bottom 1020 cm, valve with lock, 2 handles, tightening with tips);

Hook N4=4 mm and N6=6 mm;

Scissors,

Small Phillips screwdriver.