BPS Knives Bushcraft Bag Big is a very capacious sack when you suddenly need space during a forest trip. Folded, takes up little space and can be carried in a backpack. However, when there is a need for additional cargo space with easy access, it is an irreplaceable companion of bushcraft-survival trips and mushroom picking. It has a comfortable lacing with a strap and has the form of a cylinder when unfolded. The bag is made of cotton canvas.