not sure exactly what to do with this didn t come with any instructions [SEP] pretty came in nice box small and lightweight feels great when this is rolled across your face because it feels cold due to the marble or faux marble that it s made of didn t include any instructions whatsoever would have been nice to have something telling you exactly how you should use this or if there is any benefit to using it at all other than it s cooling to your face i m just not really sure what to do with it