Beast 50 oz Tumbler Stainless Steel Vacuum Insulated - Big Capacity

In this review of the Beast 50 oz Tumbler from Greens Steel the bottom line is simple: this is for anyone who needs massive, reliable temperature retention and a rugged, travel-ready cup. The biggest reason to buy is its combination of a huge 50 oz capacity with proven double-wall vacuum insulation and a screw-on leak-resistant lid, which means fewer refills and drinks that stay hot or cold for hours. The review focuses on real-world use: handling, insulation performance, cleaning, and the practical extras that come in the bundle.

Key Features

• Huge 50 oz capacity: Holds more beverage so you spend less time refilling during long outings or workdays.
• Double-wall vacuum insulation: Keeps drinks cold or hot for extended periods, preserving ice and heat throughout the day.
• Unbreakable welded handle: A durable handle makes carrying and transport more secure when the cup is full.
• Leak-resistant screw-on lid: The upgraded lid reduces spills in bags and during travel when fastened correctly.
• Complete tumbler bundle: Includes two durable straws and a straw brush plus gift-ready packaging for convenience and easy gifting.
• Premium 304 18/8 stainless steel: Electro-polished interior and powder-coated exterior give a clean taste and a long-lasting finish.

Who It's For

This tumbler suits commuters, outdoor enthusiasts, and anyone who wants one container to cover long shifts, long drives, or multi-hour workouts thanks to the substantial 50 oz capacity and dependable insulation. The welded handle and seamless base make it a practical choice for camping, road trips, and hands-free carrying while on the move.

Those who prefer very compact cups or need a fully guaranteed leakproof flask for upright and sideways carry should compare lids carefully; some users report excellent leak resistance while others experienced minor spill issues with the lid. If you want a smaller, pocketable bottle, this large-format tumbler may be overkill.

Pros & Cons

Pros

• Outstanding insulation performance that preserves ice and heat for long stretches.
• Massive 50 oz capacity reduces refill frequency for long days out.
• Sturdy welded handle and seamless base add durability for travel and outdoor use.
• Bundle includes two straws and a cleaning brush, increasing versatility and value.

Cons

• Lid performance is mostly good but not universally leakproof in every position according to some users.
• The large size can be bulky for small cup holders or minimal carry setups.

Specifications

Our Verdict

The Beast 50 oz Tumbler is a smart buy for anyone who values long-lasting temperature control and very large capacity in a durable package. It delivers strong insulation, a rugged welded handle, and a thoughtful bundle that adds convenience and value. For users who need a compact, leakproof travel bottle the size may be excessive, but for long shifts, road trips, and outdoor use it represents excellent value and reliable performance.

Frequently Asked Questions

Is the tumbler dishwasher safe?
The cup is reported to be easy to clean and many customers run it in the dishwasher, though hand washing is recommended to preserve the powder coat long term.

Does it keep ice frozen all day?
Customers commonly report excellent ice retention and that cold drinks stay chilled for many hours thanks to the double-wall vacuum insulation.

Will the lid leak in a bag?
The upgraded screw-on lid is designed to be leak-resistant and most users find it holds well, but a few users reported occasional spill issues so secure fastening and upright transport are advised.