The Trinity Blade Koga Ninja Throwing Star is all steel construction and comes with a pouch to safely carry. Specifications Overall Diameter: 4.25 Inches Blade Length: 1.5 Inches Blade Material: Stainless Steel Blade Thickness: 3mm Sharpness & Functionality: Sharpened, Pointy, and Functional Blade Features: Triple Bladed, Double Strait Edged Includes: Black Nylon Sheath w Belt Loop & Snap Finish: Satin Stainless