About this product

Smelly proof storage bags are designed to create an "Ecosystem" that blocks vapors & oxygen from entering or exiting the nylon reinforced FDS approved poly. Smelly proof bags, whether the smallest to largest come with a double-track zipper ensuring the tightest seal possible. This products stand-up design makes filling and emptying this package easier than ever. Features: 7 x 5.5" Double-track zipper