Vacuum Flask Bottle

Jianyang's durable vacuum flask bottle is made of food grade stainless steel and equipped with innovative ThinCore double-layer vacuum insulation technology, which maintains the temperature of the beverage while also being lightweight and durable. The optimized cup wall thickness improves insulation performance without increasing volume. The wide mouth design facilitates cleaning and filling, while the silicone sleeve enhances the grip.

Features

This 0.5-liter travel mug is designed for enjoying hot coffee or tea anytime during outdoor trips. The double-layer vacuum insulation design can keep the cup warm for up to 14 hours, and the slim cup body can easily fit into any backpack side bag, even into a car cup holder.

Jianyang Drinking Utensils Series - Free Matching

Jianyang vacuum flask bottle， Easy to carry. This thermos cup belongs to the Jianyang series and is available in multiple colors and capacities: 0.35 liters, 0.5 liters, and 0.75 liters. All Jianyang insulated cups are designed with a wide mouth, which can be adapted to various wide mouth cup lids - including drinking lids, straw lids, insulated cup lids, and standard cup lids - making it easy for you to freely match according to your outdoor and daily use needs.

What is a vacuum insulated cup? ——Definition and working principle

Vacuum insulated cup is a modern leak proof insulated bottle that uses vacuum insulation technology to maintain the temperature of beverages. Its working principle is to form a vacuum layer between the inner and outer walls, effectively blocking heat transfer. In this way, your tea or water can be kept warm or cold for several hours.

Its main advantages are portability, lightweight, and efficient insulation. Unlike traditional thermos bottles, vacuum thermos bottles are designed for daily use - convenient to put in bags, cup holders, or take to the gym.

Specifications

The reason why people like it

The vacuum flask bottle is very lightweight and portable, making it perfect for daily carrying

Our thermos bottles are easy to drink and not prone to spillage

Can be placed in a cup holder, please believe it is very suitable for cars and backpacks

Fashionable design and colors, from simplicity to vibrant and lively

These characteristics make vacuum flasks not only practical, but also a beautiful and meaningful gift.

Jianyang tip: Imagine having a bottle that can keep your morning tea warm until lunchtime. This is precisely why it has become the perfect gift - practical, stylish, and thoughtful.