Kraig Biocraft Laboratories, Inc. is an American biotechnology company headquartered in Ann Arbor, Michigan. It develops and manufactures recombinant spider silks and other high-performance polymers using spider silk gene sequences. Kraig Labs holds intellectual property on various spider silk technologies, including exclusive global license agreements with US universities for patented core technologies and has a proprietary production process for their recombinant spider silks.Its flagship fiber is Dragon Silk which has been demonstrated to be tougher than many fibers used in bullet proof vests. In the fall of 2019, the company’s wholly owned subsidiary Prodigy Textiles LLC established a 45,000 sq ft production facility in Vietnam for the production of spider silk.