4 ways stretch woven with 10k/10k nylon bio-based membrane. The concept of bio-based membrane is to use the oil extracted from organic plants and blend it with Nylon membrane. The composition proportion can be in between 25% -75%. We use raw material for bio-based membrane is castor oil from castor plants. The advantage of Bio-based membrane is that it lowers the environmental footprint than products derived from fossil fuels, and its performance is as good as virgin material membranes.