Steel ring bags have a galvanized steel ring (stainless steel or polypropylene optional) sewn into the top of the bag. They are supplied with sewn seams standard.
Plastic flange bags are supplied with welded flanges and sewn seams standard. Fully sewn bags are available upon request.
Fully welded bags are available in polypropylene and polyester felt for #1, #2, #3, #4, #5 plastic flanges.
