Size: Size is one of the top factors that you should consider whey buying a food delivery bag. The size depends on how much stuff you want to carry. The bags come in different sizes. You can check the dimension and capacity of the bag. It will give you an idea of how much it can hold. Some pizza bags come with different pizza capacity sizes. If you want to carry bottles and want to save space you can go with a bag that has cup holders outside.
Material & Zipper: Material and the zipper of the bag should be chosen wisely. If you choose the wrong one your food delivery bag may not last long. After long use, ordinary zippers can stop working, it can split or broke. You may not able to close the bag properly. It can cause insulation process hampered. Some insulated bags come with aluminum foil coated inside. So it is better to go with heavy-duty durable materials.
Waterproof and Insulation: Waterproof and insulation are very important to make the food inside secure. You should go with waterproof bags. It can save food from water and allow you to deliver food in harsh weather. Insulation will keep your warm food warm and cold food cold for a long time. Your food will not be affected by the weather outside. It will help you to deliver food at the right temperature. Some bags can insulate your foods for hours. It will better to go with well-insulated bags.
Carrying: These bags come in different carrying methods. Some bags you can carry only on hands and these are generally large bags. Some bags have the option to carry on back and these are usually small in size. For bicycle riders, carrying on back can be easier if you don’t have a rack on your bicycle. Choose the one that is comfortable to carry and use to your needs.

Insulated food delivery bag can be great for if you want to transport your food at one place to another at a fine temperature.
It can keep your warm food warm and cold food cold for a long time. So that enjoy your food. It can be an essential accessory for the delivery business. Chose the one that meets your needs. Don’t forget to purchase the best quality for long-lasting life.

From (https://www.kitchenfeeds.com/best-food-pizza-delivery-bags/)