Question 1

Is the opening where the coffee comes out a decent size? I don't like mugs with a very small hole and each sip is only a tiny amount.

Accepted Answer

there are two openings that are about 1.3 inch in length and thin along the rim . you can drink from both openings and it definitely yields more coffee flow than other tumblers but it doesn't feel like drinking straight from the mug. but this tumbler gives more coffee flow than other peep hole type :)

Question 2

How leak proof is this? Can it handle jostling inside a backpack? I am considering this for hiking.

Accepted Answer

I’ve found with mine that if you overfill just a bit you may get get liquid up in the threads and that is where the leakage comes from.  Just don’t overfill.  There is a line just below the treads. This is where I fill my mug to. Using this technique I never have an issue with leakage.  I’ve been using this mug for 3 years now and will buy another.  Possibly the next one with the handle. Sealed up I can carry this in my inside coat pocket without worry of leaking. I drink my coffee black but still rinse the cup and lid on a daily basis and will take the lid apart for more complete cleaning weekly. I will probably never buy another style of mug again. I love my coffee being hot 4 to 6 hours after filling.

Question 3

Where can I get replacement parts for the lid?

Accepted Answer

Regarding the purchase of a replacement Lid...here's the info I got from Thermos: The price of this lid with the shipping and handling is $6.75 for one or $11.00 for two. We offer several methods of payment for replacement parts. We accept VISA, MasterCard, and Discover, check or money order.  If you would like to place an order for this part, please feel free to contact our consumer service department at 1-800-831-9242 between the hours of 7:30 a.m. until 4:30 p.m. CST, Monday through Friday. You may also place your order via email by sending your request to consumer.service@Thermos.com and providing your name, mailing address, phone number and credit card number along with the expiration date. You may also mail a money order or check for your replacement part to:Thermos LLC355 Thermos RdBatesville, MS  38606Please include the model number or description along with your name, mailing address and telephone number for all email or mail orders.Cordially,Thermos LLC Consumer Service

Question 4

is it dishwasher safe

Accepted Answer

Yep, I've had no issues with it so far. Just make sure to take the lid apart. If you don't, gross dishwasher water will get stuck in there.

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Thermos Sipp 16 Ounce Stainless Steel Travel Tumbler, Matte White

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