This is a side release buckle or parachute style buckle that works with a 'strap'.This model is so that it can be printed as a replacement for the broken clip on the original bag but I recommend printing it in PET+ which has a much more flexible quality and should last much longer.*WHAT YOU WILL RECEIVE ~ ZIP file containing * 3mf , fbx , obj , igs , stl , stp , amf. *Dimension * Quick Side Buckle 19 mm.