Utilize the input text as a context reference, choose the right relationship between Klabin and paper from the options. Options: product/material produced, manufacturer, distributed by, industry, position held, original broadcaster, owned by, founded by, distribution format, headquarters location, stock exchange, currency, parent organization, chief executive officer, director/manager, owner of, operator, member of, employer, chairperson, platform, subsidiary, legal form, publisher, developer, brand, business division, location of formation, creator.

With an increase in price and helping those results and showing the strength of its business model, Klabin delivered an important growth in the units of paper and packaging and the diversified portfolio and the exposure to important industries, such as the world of personal hygiene, and food markets contributed to those results.

Answer: product_or_material_produced