Comic Book Bags

Our Comic Book bags are Polypropylene, These are NOT acid free, NO Poly Bags in the world are acid free (some other companies says so, but they are NOT), The correct term is acid neutral. We are always testing out products & the same results every time. These bags are good to last between 5-7 years or pending on a safe environment. Out bags are 2.5 mil thick. Thicker than any other bag in the industry