First of all, keep in mind that always material quality is on top priority. A lot of companies are offering cardboard boxes, but there are not many of them providing custom cardboard boxes at cheap rates. PrintingCircle is the best option from where you can get the best and durable boxes. Their packaging material is strong and high quality. They are available at very reasonable prices and are custom manufactured. They can be customized design, shape, color printing, logo and other factors. They do not even charge for shipping.