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  11. Hydro Flask Standard Flex Straw Cap 21oz Black

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Hydro Flask Standard Flex Straw Cap 21oz Black
Hydro Flask Standard Flex Straw Cap 21oz Black
Hydro Flask Standard Flex Straw Cap 21oz Black
Hydro Flask Standard Flex Straw Cap 21oz Black
Hydro Flask Standard Flex Straw Cap 21oz Black
Hydro Flask Standard Flex Straw Cap 21oz Black
Hydro Flask Standard Flex Straw Cap 21oz Black
Hydro Flask Standard Flex Straw Cap 21oz Black
Hydro Flask Standard Flex Straw Cap 21oz Black
Hydro Flask Standard Flex Straw Cap 21oz Black
Hydro Flask Standard Flex Straw Cap 21oz Black

Hydro Flask Standard Flex Straw Cap 21oz Black

(337 reviews)

Hello, one-handed hydration. More hydration for more fun with our leakproof, Flex Straw Cap. Our 21 oz Standard Mouth with Flex Straw Cap is just the right size for staying hydrated before, during and after activity. Beverages stay cold for 24 hours and hot for up to 12. The Flex Straw Cap is leakproof and makes it easy to sip on the move. Product Benefits Flex Straw Cap makes cold refreshment that much easier Flex Straw Cap is leakproof when closed, to transport without worry Flex Strap is easy to transport and comfortable to carry Honeycomb ️ Insulated Cap Insulated Cap for maximum temperature retention Made with 18/8 pro-grade stainless steel to ensure durability, pure taste and no flavor transfer TempShield ️ double-wall vacuum insulation keeps beverages cold up to 24 hours and hot up to 12 hours Color Last powder coat is dishwasher safe, keeping your bottle slip-free and colorful Dishwasher safe BPA-Free & Toxin-Free Free from toxins, free from worry Care and Use Not for use on a stove, in a microwave or freezer. Not intended for use with carbonated beverages. Flex Straw Cap not intended for use with hot liquids Keep hot liquids out of the reach of children.

Hello, one-handed hydration. More hydration for more fun with our leakproof, Flex Straw Cap. Our 21 oz Standard Mouth with Flex Straw Cap is just the right size for staying hydrated before, during and after activity. Beverages stay cold for 24 hours and hot for up to 12. The Flex Straw Cap is leakproof and makes it easy to sip on the move. Product Benefits Flex Straw Cap makes cold refreshment that much easier Flex Straw Cap is leakproof when closed, to transport without worry Flex Strap is easy to transport and comfortable to carry Honeycomb ️ Insulated Cap Insulated Cap for maximum temperature retention Made with 18/8 pro-grade stainless steel to ensure durability, pure taste and no flavor transfer TempShield ️ double-wall vacuum insulation keeps beverages cold up to 24 hours and hot up to 12 hours Color Last powder coat is dishwasher safe, keeping your bottle slip-free and colorful Dishwasher safe BPA-Free & Toxin-Free Free from toxins, free from worry Care and Use Not for use on a stove, in a microwave or freezer. Not intended for use with carbonated beverages. Flex Straw Cap not intended for use with hot liquids Keep hot liquids out of the reach of children.

$40.00 - $80.00

in 29 offers

Colour:

Hydro Flask Hydration 64oz Wide Mouth Insulated Water Bottle - Black | Surf Accessories
Hydration 21oz Standard Bottle Alpine
Hydro Flask 32oz Wide Polar Ombre - Aurora
Hydration 32oz (946ml) Wide Cactus / 946ml
Hydro Flask Hydration 21oz Standard Mouth Insulated Water Bottle - Carnation | Surf Accessories
Hydration 21oz Standard Bottle Clemantine
Shop Hydro Flask | 950ml Reusable Bottle - Clementine | Outerbound
Hydro Flask 21oz / 621ml Standard Mouth Bottle - Cobalt
Hydro Flask 32oz Wide Mouth Flex Straw Cap - Dew
Hydro Flask Hydration 21oz Standard Mouth Insulated Water Bottle - Eggplant | Surf Accessories
Hydration 21oz Standard Bottle Flex Indigo
Bottle Hydro Flask 32 oz Wide Mouth With Flex Straw Cap W32BFS612
Hydro Flask Hydration 32oz Wide Mouth Insulated Water Bottle - Goji Berry | Surf Accessories
Hydration 21oz Standard Bottle Hibiscus
Hydro Flask 32oz Wide Mouth - Indigo
Hydro Flask Wide Mouth Straw Lid - Stainless Steel Reusable Water Bottle - Vacuum Insulated, Dishwasher Safe, Bpa-free, Non-toxic, Laguna, 40 oz
Hydro Flask 32 oz Wide Flex Straw Cap Lupine
Hydro Flask 32 oz Wide Flex Straw Cap Mesa
Hydro Flask 21oz Standard Mouth Polar Ombre - Moonlight
Hydro Flask Hydration 21oz Standard Mouth Insulated Water Bottle - Olive | Surf Accessories
Hydro Flask Pacific 24-Oz. Flex Straw Cap Water Bottle 24 oz
Hydro Flask Rain 24-Oz. Wide Straw Lid Water Bottle One-Size
Hydro Flask Hydration 21oz Standard Mouth Insulated Water Bottle - Seagrass | Surf Accessories
32 oz Wide Mouth Straw Lid Snapper
Hydro Flask Starfish 24-Oz. Flex Straw Cap Water Bottle 24 oz
40 oz Wide Mouth Straw Lid Stone
Hydro Flask Hydration 21oz Standard Mouth Insulated Water Bottle - Sunflower | Surf Accessories
Hydration 21oz Standard Bottle White

Hydro Flask Standard Flex Straw Cap 21oz Black

$40.00

(337 reviews)

Hello, one-handed hydration. More hydration for more fun with our leakproof, Flex Straw Cap. Our 21 oz Standard Mouth with Flex Straw Cap is just the right size for staying hydrated before, during and after activity. Beverages stay cold for 24 hours and hot for up to 12. The Flex Straw Cap is leakproof and makes it easy to sip on the move. Product Benefits Flex Straw Cap makes cold refreshment that much easier Flex Straw Cap is leakproof when closed, to transport without worry Flex Strap is easy to transport and comfortable to carry Honeycomb ️ Insulated Cap Insulated Cap for maximum temperature retention Made with 18/8 pro-grade stainless steel to ensure durability, pure taste and no flavor transfer TempShield ️ double-wall vacuum insulation keeps beverages cold up to 24 hours and hot up to 12 hours Color Last powder coat is dishwasher safe, keeping your bottle slip-free and colorful Dishwasher safe BPA-Free & Toxin-Free Free from toxins, free from worry Care and Use Not for use on a stove, in a microwave or freezer. Not intended for use with carbonated beverages. Flex Straw Cap not intended for use with hot liquids Keep hot liquids out of the reach of children.

Hello, one-handed hydration. More hydration for more fun with our leakproof, Flex Straw Cap. Our 21 oz Standard Mouth with Flex Straw Cap is just the right size for staying hydrated before, during and after activity. Beverages stay cold for 24 hours and hot for up to 12. The Flex Straw Cap is leakproof and makes it easy to sip on the move. Product Benefits Flex Straw Cap makes cold refreshment that much easier Flex Straw Cap is leakproof when closed, to transport without worry Flex Strap is easy to transport and comfortable to carry Honeycomb ️ Insulated Cap Insulated Cap for maximum temperature retention Made with 18/8 pro-grade stainless steel to ensure durability, pure taste and no flavor transfer TempShield ️ double-wall vacuum insulation keeps beverages cold up to 24 hours and hot up to 12 hours Color Last powder coat is dishwasher safe, keeping your bottle slip-free and colorful Dishwasher safe BPA-Free & Toxin-Free Free from toxins, free from worry Care and Use Not for use on a stove, in a microwave or freezer. Not intended for use with carbonated beverages. Flex Straw Cap not intended for use with hot liquids Keep hot liquids out of the reach of children.

Colour:
Hydro Flask Hydration 64oz Wide Mouth Insulated Water Bottle - Black | Surf Accessories
Hydration 21oz Standard Bottle Alpine
Hydro Flask 32oz Wide Polar Ombre - Aurora
Hydration 32oz (946ml) Wide Cactus / 946ml
Hydro Flask Hydration 21oz Standard Mouth Insulated Water Bottle - Carnation | Surf Accessories
Hydration 21oz Standard Bottle Clemantine
Shop Hydro Flask | 950ml Reusable Bottle - Clementine | Outerbound
Hydro Flask 21oz / 621ml Standard Mouth Bottle - Cobalt
Hydro Flask 32oz Wide Mouth Flex Straw Cap - Dew
Hydro Flask Hydration 21oz Standard Mouth Insulated Water Bottle - Eggplant | Surf Accessories
Hydration 21oz Standard Bottle Flex Indigo
Bottle Hydro Flask 32 oz Wide Mouth With Flex Straw Cap W32BFS612
Hydro Flask Hydration 32oz Wide Mouth Insulated Water Bottle - Goji Berry | Surf Accessories
Hydration 21oz Standard Bottle Hibiscus
Hydro Flask 32oz Wide Mouth - Indigo
Hydro Flask Wide Mouth Straw Lid - Stainless Steel Reusable Water Bottle - Vacuum Insulated, Dishwasher Safe, Bpa-free, Non-toxic, Laguna, 40 oz
Hydro Flask 32 oz Wide Flex Straw Cap Lupine
Hydro Flask 32 oz Wide Flex Straw Cap Mesa
Hydro Flask 21oz Standard Mouth Polar Ombre - Moonlight
Hydro Flask Hydration 21oz Standard Mouth Insulated Water Bottle - Olive | Surf Accessories
Hydro Flask Pacific 24-Oz. Flex Straw Cap Water Bottle 24 oz
Hydro Flask Rain 24-Oz. Wide Straw Lid Water Bottle One-Size
Hydro Flask Hydration 21oz Standard Mouth Insulated Water Bottle - Seagrass | Surf Accessories
32 oz Wide Mouth Straw Lid Snapper
Hydro Flask Starfish 24-Oz. Flex Straw Cap Water Bottle 24 oz
40 oz Wide Mouth Straw Lid Stone
Hydro Flask Hydration 21oz Standard Mouth Insulated Water Bottle - Sunflower | Surf Accessories
Hydration 21oz Standard Bottle White

Price comparison

Last updated at 16/10/2025 13:31:13

Amazon

$48.49

available 1 day ago

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Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

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available 2 days ago

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Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

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$46.88

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$46.99

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$48.00

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$49.95

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$69.99

available 13 days ago

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Up to 3.6% Cashback

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$69.95

available 13 days ago

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$54.99

available 15 days ago

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$69.99

available 25 days ago

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Up to 4% Cashback

desertcart.com.au

$81.20

available 28 days ago

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eBay

$27.42

Used

available about 1 month ago

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Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

arenasurfandsports

$54.95

available 2 months ago

Low stock

Joom

$177.23

available 3 months ago

Low stock

Price history

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​

Price history

​
​

Specification

Volume621 mL
Mouth Diameter1.91"
Diameter2.87"

Price comparison

Updated about 5 hours ago
Amazon

$48.49

Low Stock
Amazon.com.au

$48.99

Low Stock
Southern Man Surf Shop

$40.00

Natural Necessity Surf Shop

$43.96

MoTackle & Outdoors

$45.47

Low Stock

See 8 more history offers

MyDeal

$69.99

Low Stock

shopback

Up to 3.6% Cashback

Sanbah Australia

$69.95

Low Stock
Coopers Surf Australia

$54.99

Low Stock
BIG W

$69.99

Low Stock

shopback

Up to 4% Cashback

desertcart.com.au

$81.20

Low Stock
eBay

$27.42

Used
Low Stock
arenasurfandsports

$54.95

Low Stock
Joom

$177.23

Low Stock

Price history

​
​

Price history

​
​

Specification

Volume621 mL
Mouth Diameter1.91"
Diameter2.87"