The Lumenier branded Lipo Strap is made by Scorpion Performance. These patented lipo battery straps are rubberized on the side facing the lipo which ensures the lipo can't slip out, even without any additional hook and loop adhesive applied to the lipo and frame. In our opinion, these are by far the best performing lipo straps that secure your lipo and enable a quick lipo change. These "medium" size straps are 220mm long and 20mm wide --- this kit includes 3 straps.