Low Density Polyethylene 100 Pack Amber Zip Bags 3" x 5": Brown small zipper bags for organizing are modern and compact packing solutions with water, air, and puncture-proof protection. The reclosable zipper bag is suitable for various products, including UV-sensitive items. UV Protection of Sample Bags: Ultraviolet rays tend to damage electronics, films, photos, etc. Small sealable plastic bags deflect UV rays and keep content intact. With small reclosable bags, light transmission does not exceed 10% at any wavelength from 290 nm to 450 nm. Zipper Seal: Small reclosable plastic bags and films have zipper closure, procuring air, and waterproof lock to enable great protection performance. Seal of bags for electronics and medication are reclosable and allows quick opening and closing time after time. Polyethylene Barrier: Small plastic zip bags were manufactured from low-density polyethylene. Resealable poly bags are safe to preserve electronics, paper, and other items fitting inside. Once they are inside, there is nothing to worry about. Universal and Handy: 3 mil zipper bags fits many spheres to be applied and used as lab bag, reclosable poly bags, and waterproof electronic bag. Photo studios, pharmaceutical companies, electronic parts warehouses, etc., can highly benefit from plastic zipper bags for storage.