The three most essential kitchen knives in one matching set with a sustainable and Earth-friendly focus. The Gaia 8 chef knife, 7 santoku, and 4 paring knife are built from reclaimed, recycled materials and engineered for longevity. With this set, every meal you make is a little bit greener.Recycle. Reuse. Reduce. The Gaia Series uses the most sustainable materials possible and caters to the aesthetic of simplicity.