does this fit 30oZ bottle?

If it has the standard opening then yes it will fit perfectly.

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Description

❄️ Sip smart, stay cool, and never miss a beat with Hydro Flask Flex Cap!

24 HOUR CHILL POWER - Experience ice-cold refreshment all day long with advanced honeycomb insulation.
HASSLE FREE HYGIENE - Dishwasher safe materials mean cleaning is as easy as staying hydrated.
LEAKPROOF CONFIDENCE - No more drips or messes—secure your drink with a cap that locks tight.
UNIVERSAL FIT FLEX CAP - Seamlessly compatible with Hydro Flask’s standard mouth bottles (18-24 oz) for a perfect sip every time.
LIFETIME DURABILITY PROMISE - Backed by Hydro Flask’s lifetime warranty, built to keep up with your active lifestyle.

The Hydro Flask Flex Cap is a durable, leakproof lid designed to keep beverages cold for up to 24 hours. Compatible with standard mouth Hydro Flask bottles (18-24 oz), it features a honeycomb-insulated design and is dishwasher safe for easy maintenance. Backed by a lifetime warranty, this cap is perfect for professionals who demand reliable hydration on the go.

Specifications

Age range	Adult
Cap type	Flex Cap
Color	Black
Size	Standard Mouth
Style	Flex Cap
Material composition	Body: 100% polypropylene, swivel: stainless steel
Item display length	0.06 metres
Weight	0.07 Kilograms
Item display width	0.14 metres
Shape	Rectangular
Material type	Plastic
Number of items	1
Features	Cold 24 hour, Dishwasher Safe, Leak
Sport	Camping/hiking, Cycling, Outdoor lifestyle, Training.
Included components	Bottle lid.
Batteries included?	No
Brand	Hydro Flask
Department	Unisex-adult
Manufacturer	Hydro Flask
Item model number	SFX001
Product Dimensions	4.88 x 5.9 x 8.52 cm; 3.95 g
ASIN	B06XPN4SFK

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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.

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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.

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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.

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The product quality is outstanding. Exactly what I needed for my work.

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