Plastic Bag these are a great giveaway because not only is your customer excited to get a new bag, the bag is a moving advertisement for your company. Custom printed bags are a great marketing technique and almost every type of plastic bag can be customized, including plain plastic bags, shopping bags, and reusable bags. Custom poly bags are available in clear bags, tinted bags, and opaque bags. Custom printed plastic bags should be easy to read from a distance, so that people can easily tell what your company is. The usage of custom plastic bags should be tracked to make sure that you are not overstocking or under-stocking, so you do not waste money or run out of bags. Buying good quality printed plastic bags that are also wholesale plastic bags is a great investment because customers generally are more likely to reuse better quality bags, which means that you get free marketing!