Plastic Bags - Over 75 micron (Plastic bags, poly bags, plastic packaging, Over 75 micron) Poly bags are plastic bags without handles that are usually used for packaging stock and are often sealed at the open end with a heat sealer. This type of bag is made with clear LDPE plastic for a smooth, glossy finish. Plastic over 75 micron is very heavy duty and can be used for items such as hardware or landscaping supplies. Request a Quote for Printed Plastic Poly Bags With No Handles or Request a Quote for Plain / Custom Made Plastic Poly Bags With No Handles