Description
* Non-detection of proven heavy metals [lead (Pb), cadmium (Cd)] that have passed heavy metal testing by the National Authorized Agency (KCL)
* Durable stainless steel, rugged and stylish design is designed to withstand a variety of rough environments, making it ideal for outdoor visitors.
It can be used safely and hygienically for a long time, anytime, anywhere, at home, or in the office.
* It has excellent insulation and cooling power due to the double-layered insulation layer structure, and it can be used all year round by keeping it warm in winter and cool in summer, so it is highly useful.
* Leisure time to go in search of romance
Emotional minimal life Camping to get away from the tiring daily life and prepare only the necessary equipment to go to nature! It is recommended for those who enjoy outdoor activities such as camping and backpacking who need a product that can show the best use with the minimum amount of consumables.
“Oslo Outback” is a stylish design that adds practicality and functionality as well as emotional feeling.
* It can be used for outdoor activities such as hiking, camping, backpacking, and picnics, as well as at home and in the office, anytime, anywhere.
* Out Back Tumbler
– Double vacuum treatment
– Good grip handle
– Hot & Cool
* It is safe to use since it is made of stainless steel material.
* By forming a vacuum between the inner wall and the outer wall, it maintains the temperature without being affected by the outside air, so it has excellent insulation and cooling effects.
Even if you put a cold drink in the tumbler, dew does not form, and even if you drink a hot drink, you can safely hold the hot drink by hand.
* Precautions
· Do not use it for anything other than basic purposes.
· Do not use metal brushes, sponges, or other highly abrasive tools when cleaning!
· Do not use any other chemical cleaning aid other than bleach or neutral detergent when cleaning!
· Make sure to put the capacity of the contents below the bottom of the cap.
· Do not boil the product. It can be deformed.
· Be extra careful not to touch children when handling hot contents.
· Be careful if there is a strong impact or friction, it may cause deformation or damage to the surface.
· When the product is tilted, the contents may spill out, so don’t carry it in your bag.
· Make sure that the lid is closed before using it.
· When pouring hot water into the container, be careful not to touch the opening of the kettle.
The container of the product may be damaged.
· After pouring hot water, close the lid and use it about 2-3 minutes later.
· Do not store near direct sunlight or fire. (It may cause deformation, discoloration, or discoloration.)
· Do not use it in a microwave oven, oven, or dishwasher.
· If milk, dairy products, and nectar are left unattended for a long time, it will cause decomposition, so be careful.
· Stainless steel does not rust, but it can cause red spots due to water stains.
In this case, add vinegar: After about 30 minutes, wipe it clean with a soft sponge to make it cleaner and semi-permanent. Make sure to clean and store the product after use.

















![NewJeans - How Sweet [Standard ver.] - EmpressKorea](https://empresskorea.com/wp-content/uploads/2025/04/NewJeans_-_How_Sweet_Standard_ver._-_EmpressKorea-297446-600x600.jpg)
![NewJeans-2nd EP 'Get Up' THE POWERPUFF GIRLS X NJ Box ver.[Random delivery among 2 types] - EmpressKorea](https://empresskorea.com/wp-content/uploads/2025/04/NewJeans-2nd_EP_Get_Up_THE_POWERPUFF_GIRLS_X_NJ_Box_ver._Random_delivery_among_2_types_-_EmpressKorea-297572-600x600.jpg)
![d'Alba [NEW] White Truffle Oil Capsule Cream 55g - EmpressKorea](https://empresskorea.com/wp-content/uploads/2025/04/d_Alba_NEW_White_Truffle_Oil_Capsule_Cream_55g_-_EmpressKorea-223758.jpg)

![NewJeans-2nd EP 'Get Up' [Bunny Beach Bag ver.] - EmpressKorea](https://empresskorea.com/wp-content/uploads/2025/04/NewJeans-2nd_EP_Get_Up_Bunny_Beach_Bag_ver._-_EmpressKorea-297574.jpg)








Vikram from Mumbai, India –
I love this tumbler. Keeps my drinks hot or cold for hours. Very durable too! Perfect for outdoor trips. Worth the price.
Kwame from Chicago, USA (verified owner) –
Tumbler keeps drinks hot for hours. Sturdy and nice design. No heavy metals is a plus. Perfect for hiking or at the office too.
Arjun from Rome, Italy (verified owner) –
Tumbler stays cool even in hot weather. Sturdy and good for outdoor use. Easy to clean.
Rohan from Bangalore, India –
From sunrise hikes to moonlit riverside gatherings, this tumbler kept my chai hot through the frosty Himalayan mornings. Sturdy yet elegant – a must-have for every adventure seeker!
Elena Worthington from Denver, USA –
When you’re amidst the magnificent mountains of Colorado, this OSLO Outback Tumbler feels like your trusty companion. Keeps drinks ice-cold while absorbing breathtaking views—a blend of form and function you won’t regret.
Lucas De Oliveira from Vancouver (verified owner) –
O Copo Tumbler OSLO Outback, com suas opções de 500ml e 700ml, realmente captura o espírito da aventura moderna. Testado para garantir a não presença de metais pesados como chumbo ou cádmio, este copo é seguro para todos os seus passeios ao ar livre. Feito em aço inoxidável robusto que reflete tanto estilo quanto resistência a ambientes desafiadores; seja acampando na Montanha Whistler ou aproveitando um dia no Central Park, ele se adapta sem esforço à rotina diária. O design eficaz também fornece isolamento superior – mantenho meu café quente durante as frigidazões do inverno canadense enquanto aprecio tardes sob o sol caloroso no verão londrino.
Matej Novak from Lake Bled, Slovenia (verified owner) –
After a weekend getaway to the stunning landscapes of Lake Bled, Slovenia, I cannot express enough how impressive the OSLO Outback Tumbler has been for my outdoor adventures. The craftsmanship truly embodies resilience; not only did it effortlessly keep my tea steaming hot while I enjoyed a sunrise over the lake, but its rugged exterior withstood an unexpected fall into some rocky terrain without so much as a scratch. Cleanliness and safety were also paramount in choosing this tumbler—knowing that heavy metals are non-existent reassures me when sipping under open skies. My adventurous spirit thrives on minimalism these days: packing lightly yet intentionally allows for connection—to nature and experiences alike—and thanks to this versatile companion, both winter warmth and summer chills have met their match! It’s become part of my essential gear wherever wanderlust may lead.
Jessica from Portland, USA (verified owner) –
The OSLO Outback Tumbler is exceptional in its design and functionality. The double-layered insulation keeps my coffee hot for hours, which I appreciate during long hikes. Plus, the stainless steel construction feels rugged and durable; I’ve accidentally dropped it a few times with no dents or scratches! Knowing that it passed heavy metal testing adds to my peace of mind regarding safety. Whether at home or outdoors, this tumbler has become an essential part of my daily routine.