Our whole leaf pyramid tea bags are made of cornstarch material and are biodegradable. The tag and string are attached to the teabags by an ultrasonic sealing process. So is the sealing of the bag itself. There is no glue or staples like a conventional tea bag. Unlike conventional tea bags, our offerings have more room for the tea leaves to unfurl and expand and yet have sufficient space for water to penetrate and infuse the leaves, thereby releasing the flavors in a very efficient manner. Teabags are packed in a unique re-closable pouch with descriptive label and brewing suggestions.