Hydro Flask Standard Flex Cap(0)No Reviews yet $9.95 Quantity discounts available QuantityPrice SKU: HYF00053: Blk Color : - Select -Black Quantity -+ Add to Cart Add to Cart Details The Hydro Flask Standard Mouth Flex Cap ensures your liquids don't spill, your drink stays the right temperature, and that you can carry the bottle wi... Details Back DetailsThe Hydro Flask Standard Mouth Flex Cap ensures your liquids don't spill, your drink stays the right temperature, and that you can carry the bottle with ease. This lid is compatible with all Hydro Flask Standard Mouth bottles. Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review