YINJOYI Insulated bottles
Versatile 12 oz insulated tumblers featuring leakproof flip lids suitable for both adults and children
Current bottle from YINJOYI
Flip lid access
The lid features a flip mechanism for easy and controlled drinking.
Kid friendly size
The 12 oz / 380ml capacity is manageable for smaller hands.
Spill proof seal
The lid is engineered to be leakproof for mess-free transport.
Notes from buyers
The flip lid is very secure and my kids can use it without making a mess in the car.
I use this 12 oz tumbler for my iced tea and it stays cold for a long time.
The blue color is very nice and the stainless steel feels like it will last a long time.
Daily Utility Standards
YINJOYI offers 12 oz stainless steel tumblers with a focus on spill-proof performance. These models are available in blue and are designed for hot and iced cold drinks.
- Leak proof flip lid
- 380ml / 12 oz capacity
- Stainless steel thermal mug
- Spill proof design
- Iced cold drink compatibility
- Reusable travel cup
Multi-generational use
These 12 oz bottles are sized for both kids and adults. The manageable weight and volume make them a versatile choice for family outings.
Flip lid functionality
The flip lid provides a secure closure that is easy to snap open. This design helps prevent accidental spills when the bottle is tipped.
Thermal versatility
The insulation is rated for both hot and iced cold drinks. This makes the tumbler useful for morning coffee or afternoon chilled juice.
Durable blue finish
The blue stainless steel exterior is built for daily reuse. It provides a distinct look while maintaining the structural integrity of the vacuum seal.
YINJOYI Questions
Can children use these bottles?
Yes, these 12 oz bottles are designed to be kid-friendly. The size and spill-proof lid make them suitable for younger users.
What is the capacity in milliliters?
The 12 oz tumbler has a capacity of 380ml. This is a standard size for small travel drinks.
Is the lid truly leakproof?
The design features a leakproof flip lid. It is intended to be spill-proof for hot and iced cold drinks.
What drinks can I put in this mug?
It is designed for hot coffee, tea, and iced cold drinks. The stainless steel construction handles various temperatures.