High-concerned chemical: None - This multifunctional titanium alloy keychain is designed with your safety in mind, containing no high-concerned chemicals. It's an eco-friendly choice for everyday use, ensuring that you can carry it without any health worries. Material: Plastic - Despite its titanium alloy features, this keychain tool incorporates high-quality plastic components that enhance its durability and nature, making it easy to carry without adding bulk to your keys.