Update: Deal over.

Contigo Snapseal Insulated Travel Mug, 20 oz – Link

This is currently marked down on Amazon to its lowest ever at only $8.49.

• SEAL IT IN: Leak-proof lid (when closed) for on-the-go convenience
• FOR THE LONG HAUL: THERMALOCK double-wall stainless steel insulation keeps drinks hot up to 7 hours or cold up to 18
• LEND A HAND: One-handed drinking with no lids or caps to remove or misplace
• PERFECT FIT: Carrying handle for more comfort on the go, and mug still fits in most car cup holders
• EASY CLEANUP: Top rack dishwasher-safe lid, handwash body