does this fit the old style wide mouth hydroflask 32 and 40 oz?

Hello, Miguel from Tall Ridge here! Yes, this is designed to fit both the newer versions as well as the older generations of wide-mouth bottles. I hope you find this helpful.

Does it fit a 32 ounce?

Caps are universal. Standard and wide mouth is all you need to know. So, yes it will indeed fit a 32 oz.

Would this lid fit on a 40oz wide mouth Hydroflask water bottle?

It does,but you should be aware it's a tight fit. I put mine on a 32oz wide mouth bottle and it seals tight and does not leak when knocked over or held upside down. But putting the lid on and taking it off can be difficult.

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Hydro Flask Lids – Flex Cap Replacement Lid for Wide Mouth Water Bottles Black

Hydro Flask Lids – Flex Cap Replacement Lid for Wide Mouth Water Bottles Black

Product ID: 115800508

Details

Brand
Hydro Flask
Color
Black
Material
Stainless
Product Dimensions
3.2"L x 3.2"W
Style
Flex Cap

💧100% leakproof seal

🧼dishwasher safe for effortless cleaning

🛡️lifetime warranty backed durability

€ 49.19

Duties & taxes included

In stock

Sold byAmazon NetherlandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

💧 Stay hydrated, stay unstoppable with the ultimate leakproof Flex Cap!

LEAKPROOF CONFIDENCE - Toss it in your bag worry-free with a 100% leakproof snap closure.
EFFORTLESS MAINTENANCE - Dishwasher safe design means no-fuss cleaning after every adventure.
LIFETIME PEACE OF MIND - Backed by Hydro Flask’s lifetime warranty—built to last as long as your hustle.
UNIVERSAL COMPATIBILITY - Fits all Hydro Flask Wide Mouth bottles for seamless hydration upgrades.
THERMAL INSULATION BOOST - Honeycomb insulation keeps your drinks hot or cold longer, matching your bottle’s performance.

The Hydro Flask Flex Cap Replacement Lid is a durable, leakproof, and dishwasher-safe accessory designed exclusively for all Wide Mouth Hydro Flask bottles. Featuring advanced Honeycomb insulation, it maintains your beverage temperature longer while offering effortless cleaning and a lifetime warranty for unmatched reliability.

Specifications

ASIN	B06XPLNLBH
Best Sellers Rank	#314 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #3 in Water Bottle Accessories #867 in Camp Kitchen Equipment
Brand Name	Hydro Flask
Closure Type	Snap
Color	Black
Customer Reviews	4.8 4.8 out of 5 stars (1,681)
Global Trade Identification Number	00810497026892
Included Components	Lid
Is the item dishwasher safe?	Yes
Is the item microwaveable?	No
Item Dimensions L x W	3.2"L x 3.2"W
Item Type Name	Cap
Item Weight	0.01 Pounds
Manufacturer	Hydro Flask
Manufacturer Part Number	WFX001
Manufacturer Warranty Description	LIFETIME
Material Type	Stainless Steel
Model Number	WFX001
Number of Pieces	1
Product Style	Flex Cap
Shape	Round
UPC	810497026892
Unit Count	1.0 Count

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