Artificial Leather Base ( Collagen Fiber Regenerated Leather ) 1) Clean and eco-friendly regenerated leather base. 2) All collagen fibers are extracted from leather wastes. 3) Properties similar to real leather but with more reasonable price. 4) Collagen Fiber Spunlace Nonwoven ( collagen fiber regenerated leather ) can be used for making garment, shoe, luggage and sofa.