... SM-SPB 003Material100% silicone,negative ionCertificateFDA;SGSDesignOEM&ODM,custom-made design color,size,logoLogo VersionPrinted,embossed,debossedBracelet colorAny PMS color ... .0CML-20.5CMXL-22CMFeatureWe are factory to produce custom power band bracelets and other silicone item with ... circulation,improve the quality of sleep Custom power band bracelets ishot sell design,OEM&ODM are highly welcome, ...