Features: *Through this for seat bow bracket, the For AirTag can be fixed under the bicycle seat cushion, and the bicycle can be tracked. *The upper and lower two clamping structure, compact structure. No risk of accidental shedding. The shape is hidden and difficult to be found. *Comes with security anti-theft bolts and special screwdrivers, which cannot be removed with conventional tools or bare hands. *High-quality material--made of ABS precision, does not block the signal, the size is accurate, and the For AirTag will not produce abnormal frame volume. splashproof, *Keeps For AirTag dry.. Specification: Material:abs. Color:black. QTY:1set. Package Size:10*8*2cm. Weight:9g. Package Includes: Upper cover*1, lower cover*1, anti-theft bolts*3, self-locking nuts*3, special screwdriver*1, washers*4.. Note: 1 The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. Through this for seat bow bracket, the For AirTag can be fixed under the bicycle seat cushion, and the bicycle can be tracked. The upper and lower two clamping structure, compact structure. No risk of accidental shedding. The shape is hidden and difficult to be found. Comes with security anti-theft bolts and special screwdrivers, which cannot be removed with conventional tools or bare hands. High-quality material--made of ABS precision, does not block the signal, the size is accurate, and the For AirTag will not produce abnormal frame volume. splashproof, Keeps For AirTag dry.. Specification:Material:abs.Color:black.QTY:1set.Package Size:10