Nij IV Ceramic Alumina Silicon PE Multi Curve Self Defense Plate. Customizable Shape: Available in square or customized shapes according to customer request. NIJ III/IV Protection: Provides high-level protection meeting NIJ III, IV, STA, and ICW standards. Advanced Material: Constructed with PE + Silicon Carbide or PE + Aluminum Alloy Ceramic. Customizable Size: Standard size 250*300mm or customized dimensions available. Logo Customization: Accepts custom logos and design projects for branding requirements. Waterproof Function: Designed with waterproof capabilities for durability in various conditions. Sample Availability: Samples available for inspection; charges refundable upon bulk order. Fast Quote Response: Best price quotes provided within 3 days, or 5 days for special requirements.