2X Vacuum Insulation - Engineered with advanced double wall insulation technology.
Holds Ice Frozen - For up to 72 hours. Far longer than any competitors
Keeps It Hot - Works great for hot coffee and other hot beverages.
Strong & Durable - Strongest available drinkware copper lined food grade 18/8 stainless steel.
Wide Mouth Lid - BPA free lid for safety that is virtually indestructible.