30 oz Stainless Steel Insulated Tumbler: Keeps Drinks Hot 6+ Hours and Cold 24 Hours

This 30 oz (890 ml) travel tumbler is designed for individuals who need their beverages to stay at the desired temperature throughout the day, whether during a commute, at the gym, or at the office. Its core function relies on double-wall vacuum insulation technology, which creates a barrier against external temperatures. The construction uses 304 food-grade stainless steel for the inner liner, ensuring the material in contact with your drink is lead-free and rust-resistant. Combined with a 201 stainless steel outer shell and a powder-coated finish, this tumbler aims for practicality with features like a handle cover for portability and a BPA-free sliding lid for splash resistance.

Features and Construction

The tumbler's performance and durability stem from its material choice and build quality. It is engineered to address the common need for maintaining beverage temperature without frequent reheating or cooling.

Material and Build

The tumbler utilises a two-material construction. The inner liner is made from 304 food-grade stainless steel, a specification that indicates suitability for food and beverage contact and offers rust resistance. The outer shell is constructed from 201 stainless steel, providing the tumbler's structure and exterior. These materials are assembled using double-wall vacuum insulation, a method where air is removed between the walls to reduce heat transfer. The exterior features a powder-coated finish, which is intended to prevent condensation ('sweat') on the outside and improve grip.

Size and Practical Fit

This model offers a 30 oz (890 ml) capacity, providing a substantial volume for hydration or a large hot drink. The inclusion of a handle cover aids in carrying, making it easier to transport the tumbler by hand or attach it to a bag. The product's design as a portable sports water bottle and coffee tumbler suits active use, travel, or daily commuting where hands-free carrying or secure gripping is beneficial.

Uses and Placement

With its stated insulation performance and portable features, this tumbler serves multiple roles in both routine and specific scenarios.

Event or Professional Use

The extended temperature retention—over six hours for heat and around 24 hours for cold—makes it suitable for long-duration situations. For professionals in offices, on-site jobs, or during travel, it can reduce the need to find a microwave or refrigerator. At outdoor events, sports matches, or all-day festivals, the tumbler can help keep drinks at a preferred temperature longer than standard containers.

Everyday Home Use

Around the home, the tumbler functions as a reusable alternative to single-use cups or bottles. Its 30 oz capacity is practical for large servings of water, iced tea, or coffee throughout the day. The splash-proof lid helps contain spills if knocked over, while the stainless steel construction is designed to be easy to wash and durable for daily use, potentially replacing multiple disposable cups.

Benefits and Buying Value

The value of this product lies in its specific construction features and the practical problems they aim to solve, based on the provided specifications.

Reuse and Low Maintenance

As a stainless steel reusable tumbler, it is intended for multiple uses, reducing reliance on disposable drink containers. The materials—304 and 201 stainless steel—are described as rust-proof and easy to wash, which suggests straightforward maintenance. The powder-coated finish is also noted as long-lasting, contributing to the product's potential for extended use with basic care.

Why Choose This Product

This tumbler may be selected for its combination of a stated 30 oz capacity, the specified insulation performance (6+ hours hot, ~24 hours cold), and the practical additions of a handle cover and splash-proof lid. The availability in multiple colours, including dark pink, blue, green, black, white, rose red, and pink, allows for personal preference. It presents a focused set of features for users prioritising temperature retention, portability, and a specific material construction over more generic or feature-light options.