A customer uses a facial scanner to pay the bill at a restaurant in Hangzhou, Zhejinag province, on Sept 19, 2017. The facial scanner developed by online payment platform Alipay could help customers to pay their bills if they forget to bring their smart phones or cash. [Photo/Chinanews.com] event wristbands ukrubber wristbands custom cheapwrist band com coupon codecheap silicone wristbandssilicone rubber bandswide rubber bands