Is the inside coated with Teflon?

This inside is a stainless steel container with no apparent coating.

Is the opening wide enough to fit your hand inside in order to clean it?

Depends on the size of your hand, I think. I use cleansing tablets to clean my Miir. I think that’s your best option. I like the sleekness of the cup—it fits most cup holders.

Stainless steel hurts my teeth, does the lid prevent stainless from coming into contact with your mouth?

It did for me, the lid is plastic and seems to be enough of a lip on the top to keep MY teeth from hitting metal. It is a small cup and fits perfectly in my backpack bottle holder, So I use it often and have never had that issue.

Will this fit in the small mini coopers cup holder? for reference a monster can will fit perfectly in the cup holder but nothing wider.

It should not be a problem. I have had mine in multiple cars, including a classic car with small cup holders. Other cups did not fit, but this did!

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Description

🔥 Sip in style, stay refreshed all day! 🔒

TEMPERATURE MASTERY - Double wall vacuum insulation locks in heat or chill for all-day freshness.
SLEEK TRAVEL READY - Compact, stylish design fits perfectly in your cup holder for on-the-go hydration.
SPILLPROOF CONFIDENCE - Secure flip lid guarantees zero leaks—commute or adventure, no mess.
PURPOSE DRIVEN PURCHASE - Every tumbler supports nonprofits focused on community uplift and environmental health.
VERSATILE BEVERAGE BUDDY - Compatible with ice cubes and hot drinks—coffee, tea, or iced refreshment anytime.

The MiiR Flip Traveler is a premium 290g stainless steel insulated tumbler featuring double wall vacuum technology that keeps drinks hot for over 12 hours and cold for over 24 hours. Its leakproof flip lid ensures spill-free travel, while the sleek design fits standard cup holders. BPA-free and dishwasher safe, it’s perfect for coffee, tea, or iced beverages. Plus, each purchase supports impactful nonprofit initiatives.

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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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