This double-walled insulated mug prevents burns, making it an excellent choice for office professionals.Lidded Mug Stylish Double-Wall Vacuum Insulated Couple's Coffee Cup Large-MouthItem No.: HC-VB1007 Material: SS 304 Inner & SS 201 Outer Color: As shown in the diagram Capacity: 380 ml / 510 ml Contact Details: WhatsApp & E-mailE-mail: sales@hocentre.com ; E-mail: aileen@hocentre.com .