Another crucial aspect of deer feed bags and 50 lb feed bags is the remarkable strength. The materials most usually used to make these bags are woven polypropylene or BOPP laminated fabric, which are characterized by high tensile strength. This makes the bags tear-proof and non-puncture. The long-lasting feature makes the feed remain covered even when it is stored in hard environments, or outside. This reliability translates to less wastage and value of money to the users, particularly in the hostile environment of agriculture.