The Hydro Flask Standard Mouth 621ml (21 oz) Water Bottle is designed for those on the go. Its compact size fits easily into most cup holders and backpack pockets, making it perfect for daily hydration needs. TempShield Insulation: Keeps beverages cold for up to 24 hours and hot for up to 12 hours. Durable Construction: Made with 18/8 pro-grade stainless steel to ensure pure taste and no flavor transfer. Color Last Powder. Coat: Provides a sweat-free, durable finish that won’t fade. Leakproof Flex Cap: Ensures no spills during your adventures
