●100 PACK OF PLASTIC ZIPPER BAGS FOR STORAGE 4 x 6 INCH: 3 mil zipper bags are ideal when transporting light-sensitive products. Mini zip bags provide reliable protection and an opaque exterior. ●SUPERB QUALITY HEAVY DUTY ZIP BAGS: 3 mil thick plastic little bags are made from low-density polyethylene and can be recycled. Zip storage bags are perfect for packaging and storage applications. Small zipper bags ensure UV protection and excellent performance through transporting periods. ●UV PROTECTION 4x6 RESEALABLE BAGS: Amber UV 4x6 poly bags protect photosensitive products from ultraviolet rays and other contaminants. Tiny plastic zip bags meet shipping standards for light transmission not exceeding 10% at any wavelength from 290 nm to 450 nm. ●SECURE PACKAGE WITH CLEAR ZIP TOP BAGS: Electronics 4x6 resealable bags are made of 3 mil polyethylene and have single-track zipper style zipper closure that provides a strong grip to keep contents safe inside waterproof electronic poly bags reclosable. ●UNIVERSAL RESEALABLE POLY BAGS: Photosensitive electronics small parts plastic bags are very useful when transporting light-sensitive medications. Plastic bags resealable are also effective in transfer and storage of electronics and food additives.