Name: Standard Flex Cap
Brand: Hydro Flask
SKU: 723251805
Price: 141.35 USD
Availability: InStock
Rating: 5 (7 reviews)

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

$141.35

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Ecuador.

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Description

💦 Sip smart, live bold — the Hydro Flask Standard Flex Cap keeps pace with your unstoppable lifestyle!

BUILT TO ENDURE - Rugged stainless steel construction resists dents and keeps flavors pure, ready for any adventure or office hustle.
EFFORTLESS CLEAN UP - Dishwasher safe with a durable powder coating that keeps your bottle looking fresh and ready for your next sip.
ONE HANDED HYDRATION - Flex Straw Lid lets you sip effortlessly on the go—no spills, no hassle, just pure convenience.
SUSTAINABILITY IN ACTION - Join the movement with Hydro Flask’s eco-friendly design and support for green spaces—hydrate responsibly, live consciously.
ULTIMATE TEMPERATURE CONTROL - Double-wall vacuum insulation locks in cold for 24 hours and hot for 12 hours, so your drink stays perfect all day.

The Hydro Flask Standard Flex Cap is a 21-ounce stainless steel water bottle featuring double-wall vacuum insulation that keeps beverages cold for up to 24 hours and hot for up to 12 hours. Its leak-proof Flex Straw Lid enables easy one-handed drinking, while the durable powder-coated finish is dishwasher safe for effortless cleaning. Designed for active professionals and outdoor enthusiasts alike, this eco-conscious bottle supports sustainability initiatives and comes with a lifetime warranty.

Specifications

ASIN	B0D3VKM12K
Additional Features	Cold 24 Hours, Hot 12 Hours
Age Range (Description)	Adult
Age Range Description	Adult
Best Sellers Rank	#363,041 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #2,450 in Insulated Bottles #5,469 in Water Bottles #213,479 in Dining & Entertaining
Brand	Hydro Flask
Brand Name	Hydro Flask
Capacity	621 Milliliters
Color	Fossil
Customer Reviews	4.9 out of 5 stars 29 Reviews
Included Components	1x 21 OZ STANDARD FLEX STRAW CAP FOSSIL
Is Oven Safe	No
Is the item dishwasher safe?	Yes
Is the item microwaveable?	No
Item Dimensions W x H	5.91"W x 9.84"H
Item Type Name	Insulated Bottle
Item Weight	0.41 Kilograms
Manufacturer	Helen of Troy
Material Type	Stainless Steel
Model Name	S21FS162
Number of Items	2
Pattern	Fossil
Product Care Instructions	Hand Wash Only
Recommended Uses For Product	Water
Special Feature	Cold 24 Hours, Hot 12 Hours
Theme	Retro
UPC	810096856869
Unit Count	1.0 Count
With Lid	Yes

Reviews

T**E

Very pleased with this Hydro Flax

A lovely and sturdy flask. The 21-ounce size is ideal for travel and for taking to meetings, and fits nicely into my treadmill's cup-holder. Keeps water cold and refreshing. The flex cap is markedly easier to drink with than a regular straw.

3.11.2025

Y**V

Great quality!

Great product

15.01.2026

海**流

車で飲みながら運転できる

ストロータイプなので運転中も零さずに飲む事ができます。

8.11.2024

J**X

Super

Bis jetzt Mega zufrieden. Überraschend auslaufsicher.

10.12.2024

A**A

The best bottles for all ages

The best bottles ever. Easy to clean and they keep water cold or warm. Love them.

7.01.2026

P**A

Hot or cold water flask

Great flask. Keeps warm or cold for a good time

9.12.2025

C**M

Best bottle on the market.

Best bottle I've ever purchased, easy to use, secure and durable.

30.04.2025

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Meera L.

Smooth transaction and product arrived in perfect condition.

3 weeks ago

Pooja R.

The customer service exceeded my expectations. Perfect for buying products you can't find elsewhere.

1 week ago

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Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

$141.35

Duties & taxes included

In stock

Sold byAmazon EcuadorDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Ecuador.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Rajesh P.

Customer service was outstanding when I had questions about the product.

2 days ago

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago