A portable 410ml 2-way design tumbler. - Capacity: 410ml - Heat retention: 39°C for 6 hours - Cold retention: 12°C for 6 hours - Function: 2-way design - Design: Easy-to-carry shape Opened for photography, but it's a new, unused item. Winter is just around the corner. Let's fill it with warm drinks and get through the season feeling warm and cozy. Of course, it's also perfect for cold barley tea in the summer. Thank you for looking.