Byron 'Snapseal' Mug - Black 591ml

Features:

• Snap to it with SnapSeal: Snap the lid open and closed to it's sealed shut when you're finished sipping
• THERMALOCK Vacuum Insulation ensures drinks stay hot for up to 5 hours and cold for up to 12
• Leak proof lid (when closed) for on-the-go activities
• Easy one-handed drinking,with a convenient grip to grab and go,designed to fit most car cup holders