Lite Avantgarde Collection from Campania International. The Lite Avantgarde Collection from Campania International is an attractive, modern group of garden planters from one of the most popular cast stone companies in the United States. Their line of lite products are made of lightweight natural fiber cement that remains environmentally friendly as well as easy to move and quite durable for many seasons and years of outside use. The Lite Avantgarde planters are ideal for both commercial and residential spaces, and they especially look nice on balconies, rooftop terraces and other patios. Try adding them in a lobby or entryway to create a sleek entrance to any space.