?EXTENSIVE PACKAGE?1 x Air Label Holder (Top and Bottom), 2 x Security Screws,1 x Security Screw Installation Tool. ?SECURITY SCREWS?The security screws make it impossible for thieves to remove the product with ordinary tools. This gives you important time to locate your bike after it was stolen. The scope of delivery includes four security screws (incl. suitable tools) for installation with and without a bottle holder. ?PREMIUM MATERIAL?AirTag is made of high-quality ABS plastic, which is waterproof, eco-friendly, odorless, stain-resistant and seamless. ?EXTENSIVE FUNCTIONS?Locate your bike, play sound and use all Airtag functions (iOS & Airtag required). It fits any MTB, e-bike or city bike. ?HIDDEN DESIGN?This Holder is perfect for a bike stand. Thanks to the hidden design and the security screws, you don't have to worry about it being disassembled by the theft.