... any specification. Usage: 1) Firmly wrap the strap around the object with the sticking side facing up ... . 2) Slip the strap through the ring, draw it up tightly and ... Press tightly on the folded end of the strap to secure it more firmly. 4) Used for ... equipment, curtains, sports equipment, mp3 wristlet, bellyband, binding band and so on. 5)Specification: 16mm, 20mm, 25mm, 30mm ...