... Product description: Name neoprene can coolerMaterialneoprene Size6.5*10.5cmThickness3--5mmColorgreen,red,black,more than 100kinds of colorsLogosilkscreen printing,hot transfer printingPackage1PC ... /PP,100PCS/CTNCertificationSGS/TUV/CTIFunctionwaterproof,keep cool and warm ,heat-resistantUsagefor can cooler,pen ...