HYDRO FLASK STANDARD HYDRATION 21OZ SEAGRASS
Hydroflask 21 oz is made with 18/8 pro-grade stainless steel to ensure pure taste and no flavor transfer and the durable construction stands up for whatever life brings. Hydroflask’s unique double wall vacuum insulation protects temperature for hours. Cold drinks stay icy cold and hot drinks stay piping hot so you can stay refreshed for any adventure.