Confirmed fit
Wide Mouth 24 oz
Hydro Flask · Wide Mouth Bottle
Compatibility evidence details
Hydro Flask states this cap fits Wide Mouth bottles; straw/chug caps are intended for cold drinks, not hot or carbonated.
Concept illustration · Not a product photo
Hydro Flask / REPLACEMENT PARTProduct source ↗
Wide Mouth Flex Chug Cap
Replacement lid details
BrandHydro Flask
BOTTLE COMPATIBILITY
3 bottle modelsWhich bottles does this lid fit?
Verified bottle matches first. Always check model and generation.
Confirmed compatible
3 optionsManufacturer evidence ↗Source reviewed 2026-10-26View bottle details ↗
Confirmed fit
Wide Mouth 32 oz
Hydro Flask · Wide Mouth
Compatibility evidence details
Hydro Flask states this cap fits Wide Mouth bottles; straw/chug caps are intended for cold drinks, not hot or carbonated.
Confirmed fit
Wide Mouth 40 oz
Hydro Flask · Wide Mouth Bottle
Compatibility evidence details
Hydro Flask states this cap fits Wide Mouth bottles; straw/chug caps are intended for cold drinks, not hot or carbonated.
ORIGINAL CONFIGURATION
2 documentedSold with these bottle configurations
Manufacturer-documented sales configurations; confirm the exact version you own.
Wide Mouth 40 oz
40 oz Wide Mouth with Flex Chug Cap
Configuration notes
Manufacturer explicitly names supplied lid in exact sales configuration. No SKU was inferred; other colors and generations must be checked separately.
Wide Mouth 24 oz
24 oz Wide Mouth with Flex Chug Cap
Configuration notes
Original cap/lid in named official sales configuration; other generations or product variants must be checked separately. No SKU was invented.