This Black Sabbath Master Of Reality 3D Heavy Metal 40oz Tumbler is engineered for the die-hard metalhead who demands industrial-grade performance. Built to survive the mosh pit and keep your hydration at sub-zero or molten temperatures, this vessel features a reinforced 304 stainless steel core that refuses to dent under pressure. It is the ultimate gear for those who worship at the altar of Iommi and Butler, ensuring your drink stays as cold as the grave or as hot as the stage lights during a marathon set.
Technical Specifications & Design Architecture
| Specification Attribute | Value / Description | Tactile & Durability Benefit |
|---|---|---|
| Material Composition | 304 Food-Grade Stainless Steel | Resists corrosion and metallic aftertaste. |
| Physical Dimensions & Weight | 40oz Capacity; Double-wall vacuum insulation | Maintains thermal integrity for 12+ hours. |
| Finish & Print Technology | 3D Embossed Polymer Overlay | Provides a high-grip, tactile texture. |
The Design Heritage
Released on July 21, 1971, Black Sabbath’s third studio album, Master of Reality, was recorded at Island Studios in London. This record is widely credited by music historians as the foundational blueprint for the doom metal and stoner rock genres, largely due to Tony Iommi down-tuning his guitar to C# to accommodate his injured fingertips. The album reached the Top 10 on the UK Albums Chart and remains a cornerstone of heavy metal history.
For the true Sabbath fanatic, this tumbler is more than just drinkware; it is a tribute to the heavy riff gods. Whether you are blasting “Children of the Grave” on your commute or keeping your coffee hot during a vinyl listening session, this piece brings the aesthetic of the 1971 sludge-masterpiece to your daily grind. It is built for those who live for the doom and appreciate the dark, heavy legacy that changed rock music forever.
Care and Maintenance Instructions
To maintain the integrity of the 3D embossed elements and the vacuum seal, hand-wash only using mild detergent and a soft sponge. Do not place this tumbler in the dishwasher, as high heat and abrasive cycles will compromise the polymer overlay and the vacuum insulation. Avoid using metal scrubbers. Ensure the lid is hand-washed separately and inspected for seal wear to prevent leaks. Do not microwave.
Is this tumbler dishwasher safe?
No. The 3D embossed design and vacuum-sealed stainless steel construction require hand-washing to prevent damage to the finish and thermal performance.
Can I use this for hot beverages?
Yes. The double-wall vacuum insulation is designed to keep liquids hot for extended periods, though caution is advised when handling the exterior.
Is the lid leak-proof?
The lid is designed for spill resistance during standard use; however, it is not 100% leak-proof if inverted or subjected to high-pressure agitation.
Will the 3D design peel off over time?
The 3D polymer overlay is bonded to the stainless steel core for high durability. Following the hand-wash care instructions will ensure the design remains intact for years.
Premium Stainless Steel Tumbler Collection
Elevate your daily hydration routine with our Premium Stainless Steel Tumbler Collection. Designed for those who appreciate high-performance drinkware, these tumblers are built to keep your favorite beverages at the perfect temperature. Whether you are commuting, hitting the gym, or relaxing at a beach BBQ, this collection combines rugged durability with personalized flair.
Choose Your Perfect Tumbler Style
Available in three distinct variations to perfectly match your daily lifestyle:
- The Classic Tumbler: The ultimate sleek and portable all-rounder. Designed without a handle to slide effortlessly into tight spaces, making it the perfect companion for boating, RV trips, or simple backyard picnics.
- The Tumbler With Handle: Designed for those who take their hydration seriously. Features a sturdy, ergonomic handle (default white) for a secure grip during long drives or busy daily errands. Includes a reusable plastic straw.
- The Embossed Tumbler With Handle: Experience the ultimate premium upgrade. This top-tier option features a stunning 3D embossed texture that brings your custom design to life under your fingertips. It delivers a superior tactile feel, combined with the unmatched convenience of an ergonomic handle and a reusable straw.
Key Features and Functional Design
- Design-Specific Charms (If Pictured): Certain designs in our collection feature beautifully crafted, attachable metal charms. (Please refer to your selected design’s images—if a charm is shown, it’s included with your handled tumbler!)
- Advanced Double-Wall Insulation: State-of-the-art vacuum thermal engineering creates a powerful barrier that keeps iced drinks refreshingly cold and hot beverages steaming all morning.
- Spill-Resistant Lid: Features a secure, tight-fitting lid with a splash-proof sipping mechanism, giving you peace of mind while traveling.
- Sweat-Free Exterior: The premium coating prevents condensation from forming, ensuring your hands stay completely dry.
- Cup-Holder Optimized: Thoughtfully designed with a tapered base that slides effortlessly into most standard automotive and treadmill cup holders.
Technical Specifications
- Tumbler Material: 100% Premium 18/8 Food-Grade Inox Stainless Steel.
- Lid Material: Shatter-resistant, BPA-Free transparent polymer.
- Production Time: Expertly coated, printed, and safely packaged within 2–7 Business Days.
Care and Maintenance Tip: If your specific design includes a decorative charm, please remove it before washing. Hand wash the stainless steel body with warm, soapy water to maintain the vacuum seal and preserve the high-quality print and embossed textures. Never place the tumbler in a microwave or freezer.





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