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Mainstays 40oz Blue Diamond Pattern Tumbler Stainless Steel Double Wall
Key item features
- Robust Construction: Features double-walled stainless steel construction, ensuring excellent temperature retention for both hot and cold beverages.
- Generous Capacity: Offers a substantial 40oz capacity, designed to keep you hydrated throughout the entire day.
- Ergonomic Design: Includes a convenient handle for easy and secure carrying, enhancing portability and user comfort.
- Distinctive Aesthetic: Showcases a unique 3D diamond checkered pattern in blue, providing an elegant and stylish appearance.
- Versatile Application: Made from durable material, making it suitable for use in various settings such as home, office, and while on the go.
- Effective Insulation: Specifically designed to maintain beverage temperature effectively, ensuring drinks stay at their desired warmth or coolness.
- Practical Companion: Equipped with a spill-proof lid, making it an ideal companion for commuting, workouts, or outdoor activities.
- Sustainable Choice: Promotes eco-friendliness by reducing the need for single-use plastic, contributing to less waste.
Key item features
- Robust Construction: Features double-walled stainless steel construction, ensuring excellent temperature retention for both hot and cold beverages.
- Generous Capacity: Offers a substantial 40oz capacity, designed to keep you hydrated throughout the entire day.
- Ergonomic Design: Includes a convenient handle for easy and secure carrying, enhancing portability and user comfort.
- Distinctive Aesthetic: Showcases a unique 3D diamond checkered pattern in blue, providing an elegant and stylish appearance.
- Versatile Application: Made from durable material, making it suitable for use in various settings such as home, office, and while on the go.
- Effective Insulation: Specifically designed to maintain beverage temperature effectively, ensuring drinks stay at their desired warmth or coolness.
- Practical Companion: Equipped with a spill-proof lid, making it an ideal companion for commuting, workouts, or outdoor activities.
- Sustainable Choice: Promotes eco-friendliness by reducing the need for single-use plastic, contributing to less waste.
Select Color
From $7.35
Original: $21.00
-65%Mainstays 40oz Blue Diamond Pattern Tumbler Stainless Steel Double Wall—
$21.00
$7.35Description
Key item features
- Robust Construction: Features double-walled stainless steel construction, ensuring excellent temperature retention for both hot and cold beverages.
- Generous Capacity: Offers a substantial 40oz capacity, designed to keep you hydrated throughout the entire day.
- Ergonomic Design: Includes a convenient handle for easy and secure carrying, enhancing portability and user comfort.
- Distinctive Aesthetic: Showcases a unique 3D diamond checkered pattern in blue, providing an elegant and stylish appearance.
- Versatile Application: Made from durable material, making it suitable for use in various settings such as home, office, and while on the go.
- Effective Insulation: Specifically designed to maintain beverage temperature effectively, ensuring drinks stay at their desired warmth or coolness.
- Practical Companion: Equipped with a spill-proof lid, making it an ideal companion for commuting, workouts, or outdoor activities.
- Sustainable Choice: Promotes eco-friendliness by reducing the need for single-use plastic, contributing to less waste.






















