2011 Hot-sell Promotion Cupping Glass/Jars1.Ecofriendly, useful New ... Newest Medical Equipment---Cupping jars Material: 100% silicon material with FDA and SGS approvals, harmless to health.Size: 5cm ... Convenient to use,non-stick easy to remove and clean.4.Flexible, light weight and portable, easy to store ... .8.Customized design and sample is highly welcomed. 2011 Hot-sell Promotion Cupping Glass/Jars