Heavy Duty Reusable Plastic T-Shirt Bags are 2.25 mil thick. Typically, there are 2 types of Plastic Bags and they come in different thickness. Plastic Bags with 2.25 mil or more thickness are considered "Reusable". These Plastic Bags are considered Re-usable by many State and City Bag Ordinances. T-Shirt bags come with a special tab for easy "one at a time" tear-off dispensing. Large side handles makes these the most convenient bags for carrying large or heavy packages. If you are looking for Gloss Heavy Duty Plastic Merchandise Bags, click here. Made in the U.S.A. Call for pricing on more than 25 cases at 500 per case.