PU Material & All-Day ComfortMade from soft and durable PU material, these insoles are lightweight, flexible, and comfortable for daily wear without affecting your natural walking Built-In Air-tag Slot for SafetyFeatures a hidden Air-tag protective cover, providing added security for kids or seniorsespecially helpful in emergencies when quick tracking is needed Discreet & Practical DesignThe slim profile fits easily into most shoes without being noticeable, allowing everyday use without discomfort or interference Anti-Loss FunctionalityEasily locate misplaced shoes using your Air-tag, saving time and reducing stress in daily routines Innovative & Family-FriendlyCombining smart tracking with wearable convenience, these insoles make a thoughtful, tech-savvy gift for families with children or elderly loved ones Note: Each insole can be trimmed up to three times, making it easy to find the most suitable size for your feet. Please choose the correct size before purchase to ensure the best fit. Compatible with: AirTag Package included: 1Pair x Insole 2 x Adhesive Backing 1 x English and Chinese Instruction Manual 1 x Front and Back Protective Film