... NecklaceSizeapprox.standardFinishLogo can be multicolor embossed, debossed, printing,etc.Standard international colors are available;Featureshigh-tech health silicone necklace ,looks nice ... of its physical characteristic,100% silicone ,heat-resisting ,cold-resistingQualityISO,SGS,ROHS,REACH,LFGB,FDA passed each product we have 100 ...