Printful has a nice range of bag and backpack options. They have good tools for the designer, quality construction, and reasonable fulfillment times.
Category: Products
Overall, the quality of the throw pillow covers from Printful is very good. They are easy to care for and last well with use. The inserts are average commercial quality at best but can easily be replaced.
The two main categories of print-on-demand mugs are ceramic and stainless steel. Designing for most styles is pretty forgiving and easy to do