bossgoo服务/售后/程序多重升级

Medical Tubing Resistance Band As resistance bands for fitness, workout, crossfit, exercise, sport, bodybuilding;medical use; toys accessory; slingshot tube, garden water tube hose; spearfishing rubber band;used for  SHANGKUN products such as jumping trainer, running trainer, power resistance trainer, soccer trainer, swimming trainer, water balloon launcher, etc.