- Rugged and flexible Santoprene Rubber construction - Long 10.5" inch blade - Perfect for practicing safe knife handling skills, disarms, and knife combat - Solid injection mold construction increases durability - Full scale size In the Box Cold Steel Laredo Bowie Rubber Training Knife Specifications: Construction Santoprene RubberWeight 5.8 oz.Blade Length 10.5 in.Overall Length 16 in.Color BLACK California Proposition 65 Warning: Cancer and Reproductive Harm - www.P65Warnings.ca.gov