• Keeps drinks cold for 60+ hours with double-wall vacuum insulation
• Dual-function lid: sip with flip-up Sport Straw or chug by twisting off
• Made from kitchen-grade stainless steel that resists odors and taste transfer
• Sturdy metal handle and silicone base for durability and easy carrying
• 100% leak-proof, BPA-free lid; sweat-proof exterior; hand wash only