Features: Portable Design: Lightweight ABS standard shell ensures sturdy and long lasting functionality. Ideal for outdoor activities and daily commutes, allowing easy carrying of small items like keys or accessories with this key holder. Secure Hook Mechanism: Alloy hook fastener structure provides firm connection and quick detachment. Wear resistant design addresses safety concerns during activities such as hiking, or camping, perfect for retractable keychain use. Retractable Functionality: Built in spring mechanism extends up to approximately 60cm, offering flexibility for gear management. Perfect for backpacking trips or key hanging, enhancing practicality as an anti loss lanyard in various scenarios. Versatile Applications: Suitable as an anti loss lanyard for multiple uses, not just outdoor travel. Ideal for backpackers and key organizers, serving as an effective assistant in everyday tasks for key organization. Elegant and Practical: Combines aesthetic appeal with functional features, making this retractable key holder essential for various users. Improves equipment organization and safety, acting as a practical tool. Specifications: Component: ABS, alloy Color: 4pcs or 3pcs optional, refer pictures to selection please Size: 12.5cm/4.92in long, 4cm/1.57in wide Package Includes: 4Pcs or 3Pcs U-shaped easy-pull keychains note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.