Superior Temperature Retention Keeps liquids hot or cold for 12 hours with doublewall insulation HighQuality SUS 304 Stainless Steel Durable rustresistant and designed for longlasting use 450 ml Capacity Premium Neoprene Carry Case Provides extra insulation and makes it easy to carry on the go Compact TravelFriendly Lightweight and easy to fit in bags backpacks or car cup holders Multipurpose Suitable for All Ages Perfect for work school travel hiking camping and outdoor adventures