These bags are Light Duty 120-gauge (thickness). Clear Polythene Bags are perfect for products such as for confectionery, bakeries, shops and much more. They are strong and are made of 100% food-safe material, designed to keep products clean and dry, leaving no residue or taste, so you really can use them to store any edibles. Due to their transparency, you can easily identify the contents inside, which makes them ideal to store all kinds of food such as bread, pastries, sweets, biscuits, nuts, grains, seeds, vegetables, fruits, even pet products and much more. Can be heat sealed. Available in many sizes, also with different thickness.