1.Eco-friendly,SGS Certificate 2.100% silicone 3.Customized logos 4.for teenager,athlete,lovers,families etc. rubber bandsilica gel band has been a fashion at home and abroad,as an ornament it gets the performance of easy,simple,good quality,ecofriendly,various types,novelty,odorless,nontoxic,low deformation,age resistance,good resilience etc.and it's very pupolar among children,students and lady ...