GPI – 3″ X 4″ Clear Plastic Zip Bags, 1000 Count, Heavy-Duty 4 Mil Thick Durable Poly Baggies With Resealable Zipper Lock, Hang-Hole For Display. Manufacturer: GPI. Introducing our 3″ x 4″ clear plastic zip bags with a hang hole for display, now with added durability and strength!