2).add 1% to 30% negatitive ion, make you powerful,keep health and fashion
3).silicone bracelet take green ,non-toxic,eco-friend silicone rubber. environmental.
4).Specification of sizes: S,M,L, Customized sizes and designs are welcomed 5).Stretchability: well stretchable and hard to break. 6).color: any color is available . 7).Features:heat/cold resistant,water proof,durable. 8).Popular and highly rated all over Europe and America. 9).MOQ:500pcs.