The unbreakable construction makes this wine cup perfect for enjoying chilled wine or cocktails by the pool, hot tea in the morning or even ice cream sundaes before bed (Swig calories don't count?!?) Keeps drinks cold up to 9 hours and hot up to 3 hours Holds up to 14oz Dishwasher safe, top rack only Slip-free, scratch-free and noise-free silicone base Includes BPA-free lid with removable slider for cleaning Triple insulation technology: double-walled, vacuum-sealed and copper-plated Condensation free and non-breakable Constructed of 5mm 304-18/8 stainless steel