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Product Support: Active Flask Utility Insulated


Author: Matt Colegate • May 30, 2023

Design / product description

Sleek , durable and fit for adventure. The Active Flask insulated provides optimal drinking during any occasion.

Smooth and threadless wide- mouth molded rim maximizes the senses, while the utility lid provides controlled drinking via multiple drinking modes. Equipped with Thermal+ technology that keeps your beverage at the temperature you like it .


Thermal+ Insulation

Drink it the way you made it. Whatever your desired temperature is, Thermal+ will keep it the way you like it for hours.

Wide Mouth Molded Rim

Wide mouth function for fast flow and Joco’s unique molded rim providing smooth contours for the highest level of sensory experience. Fit for the perfect sip with or without the lid.

Sip Through Cap

Sip through ergonomics developed from years of research and optimisation. Catering to all drinking styles the sip through lid enables easy flow control for the user and is your best asset when on the move.

Straw integration

Splash-proof and intuitive integration with Joco’s straw range ensure the best straw experience yet. The Utility Lid also accommodates most other straws. *Note ensure your daily ritual remains splash-free by following the Joco’s assembly instructions

Universal features

– Designed for a lifetime of use
– Premium grade silicone
– Stain & odour resistant
– Certified & truly non-toxic LFGB,FDA,REACH,PROP 65 Certified


1. Thermal+ Insulated vessel
2. Utility Lid with Component storage
3. Closure Plug
4. Joco Roll Straw Plug

Instructions of use

Steam management mode for hot liquid:

NOTE: Always use steam management mode for Beverages Over 60 degree / 140 fht.

1. Always let hot liquids rest for 30 seconds before placing lid on vessel
2. Remove closure plug from lid , then apply lid to vessel
3. Apply closure plug one click ONLY to engage steam management mode.
4. Once liquid is no longer steaming or vessel is empty seal by pushing the plug all the way in for the second click.

Roll Straw integration

1. Place lid on vessel
2. Select relevant straw plug and apply half way up the straw.
3. Place end of straw into lid hole, cover end of straw with your thumb and slowly submerge until straw is at the bottom of vessel.
4. Slowly slide straw plug down the straw and connect to lid.

Drinking temperature:
Ideal drinking temp: 55 – 60 degrees celsius.
Max temp for milk beverages is 70 degree celsius.
Above this the Milk burns or splits affecting the taste.


Active Flask Utility Insulated – 12OZ

Active Flask Utility Insulated – 16OZ


-18/8 food-grade stainless steel. 90% post consumer recycled Steel. Product of a circular economy
-Premium grade silicone. Certified & truly non-toxic ( LFGB,FDA,REACH,PROP 65 Certified )

User Safety and Care instructions

– Potential choking hazard – small parts. Not for young children
– Take care when beverage exceeds 70 degrees
– Take care when assembling components
– Take care with hot beverages
– Ensure the vessel or components are not damaged prior use.
– Take care with lid, despite being secure and dependable it is not lockable and may dislodge in certain situations

Care instructions for stainless

– Do Not place in Microwave
– Do not place in Freezer
– Do not Overfill
– Do not seal the lid when carbonated beverages are used .
– HOT contents can cause pressure build up , take care when handling.
– Always use steam management mode when contents 50 degrees celsius or hotter
– Always allow hot liquids to rest prior applying lid
– Wash before initial use
– Hand wash with warm water for best result
– Avoid chemical Cleaners and Abrasives
– Enure vessel and lid are dry before use and storage
– Store dry and with lid off

How to remove Rust

Stainless steel is rust resistant, however it is not rust proof.
If the surface is damaged or exposed to chemicals such as Chlorine from swimming pools then surface rust can develop if the product is not cleaned or maintained.

The good news is that if you experience rust you can remove it and make new via a couple of simple cleaning techniques .

Option 1: Dampen the area concern with Vinegar, let sit for 10 – 15 minutes. Use warm water and a non abrasive sponge to scrub clean

Option 2: Apply a sprinkle of baking soda to the area of concern and lightly dampen with water , let sit for 10 minutes then scrub clean with soft dish cloth or sponge

Option 3 : Use stainless steel cleaner with hot water and a soft cloth or sponge to clean ,

Rinse well prior use.

Care instructions for silicone

How do I wash the silicone Lid?

Good news: The Utility lid is dishwasher safe utilising the top rack is recommended. You can also easily hand wash using natural cleaners such as hot water and lemon or hotwater and bi carb soda. Due to the small size of Utility lid components, it is recommended to wash these with a controlled and monitored approach such as handwashing.

Will the silicone stain

Joco silicone is a non-porous material so unlike plastic it will not absorb stains, odours or bacteria. If you do find a mark or an odour, this will just be on the surface. If general washing does not remove this, a paste formed using a mix of bicarbonate soda and water is well suited to removing any such blemish.
Alternatively you can place lid in near boiling water with some lemon and this will also clean the product.

How to remove odours?

Odours can typically be removed through general cleaning. However If the initial cleaning methods fail to remove a stubborn surface odour, you can simply place your silicone part on a tray in the convection oven at a temperature of 180 degrees celsius / 248 Fahrenheit, for 30 minutes – 60 minutes. This will remove the odour.


12 month warranty in the event of a manufacturing defect
(Excludes broken glass, scratched/cut silicone, cleanliness issues)

We don’t offer refunds for change of mind, unless product is unused, in original packaging and returned at customer expense in a salable condition. Refund will be processed once item is received


Return Information

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