... Double-walled c)directly from factory. Products Details DescriptionNameBorocilicate Heat-resistance Glass Tea Cup(Super clear), 50ml(cc)Item ... glass, it is light & thin, but durable and heat-resistant, which is unlike the traiditonal common glass. Dishwasher ... MoneygramDelivery Timewithin 5-30 days after receipt of depositDelivery OptionsSea, Air,UPS, DHL, EMS, SAL or OthersPackagebox, carton or as ...