They are shoulder cuts sold boneless (pork butt/pork shoulder listed as boneless).
Some entries are listed as unseasoned, but a detailed product description for another entry lists a marinade/added ingredients: pork stock, potassium lactate, sodium phosphate, salt, and natural flavor.
They’re described as well suited for slow cookers or oven roasting and perform well for pulled pork and long, slow roasting.
Labels advise keeping uncooked roasts refrigerated and fully cooking them to 160°F.
Product details state they do not contain any of the nine major food allergens.