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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MiiR Flip Traveler - Double-Wall Vacuum Insulated with Flip Lid, 12oz

MiiR Flip Traveler - Double-Wall Vacuum Insulated with Flip Lid, 12oz

Product ID: 446635179

Details

Brand
MiiR
Capacity
12 ounces
Color
Basal Gray
Material
Stainless
Special Feature
Manual

🔒Flip lid ensures spill-proof travel

🔥Double-wall vacuum insulation locks temperature

❄️12oz capacity keeps drinks perfectly sized

$65.29

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔥 Sip in Style, Lock in Freshness 🔒

TEMPERATURE MASTERY - Double-wall vacuum insulation keeps your coffee hot or iced tea cold for hours, so you never settle for lukewarm.
SLEEK COMPACT DESIGN - Slim 12oz profile fits effortlessly in your car cup holder and your hand, blending style with ultimate portability.
PURPOSE DRIVEN PURCHASE - Every tumbler supports nonprofits focused on community uplift and environmental health—hydrate with impact.
COMMUTE READY SPILL LOCK - Secure flip lid locks tight, eliminating spills and messes during your busiest days and wildest adventures.
VERSATILE BEVERAGE BUDDY - Perfect for coffee, tea, or iced drinks—compatible with ice cubes and built for every sip, any season.

The MiiR Flip Traveler is a 12oz stainless steel insulated tumbler featuring double-wall vacuum technology to maintain beverage temperature for hours. Its secure flip lid prevents spills, making it ideal for on-the-go professionals. Designed for versatility and sustainability, each purchase supports nonprofit initiatives, combining premium performance with purposeful impact.

Specifications

ASIN	B09DYG13YK
Age Range Description	Adult
Best Sellers Rank	#17,065 in Kitchen & Dining ( See Top 100 in Kitchen & Dining ) #383 in Tumblers & Water Glasses
Brand Name	MiiR
Capacity	12 ounces
Color	Basal Gray
Customer Reviews	4.4 4.4 out of 5 stars (595)
Included Components	Lid
Item Dimensions W x H	2.76"W x 6.53"H
Item Weight	9.28 ounces
Manufacturer Part Number	FLT1SV12202
Material Features	Insulated
Material Type	Stainless Steel
Model Number	402379
Number of Items	1
Occasion	Yoga
Other Special Features of the Product	Manual
Pattern	Solid
Product Care Instructions	Hand Wash Only, Machine Wash
Product Style	Casual
Recommended Uses For Product	Coffee, Tea, Water
Reusability	Reusable
Shape	Round
Size	12 Ounces
Theme	Solid Color
UPC	811534023799 840150808756
Unit Count	1 Count

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