... )elastic strap/elastic bands/velcro bands 2)polyester+elastic thread 3)color,size can be ... strap to secure it more firmly.4) Great for all sorts of package binding, such as luggage,toys,sports ... ,mp3 wristlet, bellyband,binding band and so on.5) All products have passed ROHS&SGS, in line with the European ... standards.Inventory: 25mm,38mm,50mm. We can customize all kinds of color and any specification.