The following type of prints come ready to hang: framed prints, wood prints, acrylic prints, metal prints (with the exception of some styles), stretched and mounted canvas prints and metal prints will arrive ready-to-hang. Some other types of prints may have styles that also allow for them to be ready to hang.
The difference is in the technology used to print the two. We usually refer to the regular photo prints as lab prints since they are produced by modern digital photo printers. The prints on canvas and art papers are produced with high end inkjet printers. For a more detailed explanation, please visit the following blog post: