New
Professional Bass Fisher Fred
Signature series Boom Boom vertical mount on professional angler Fred Roumbanis' fishing boat.
TwistLock Ambassador Professional Angler Fred Roumbanis and his insulated tumbler.
Fred Roumbanis Signature Series
Attachable folding Vertical mount locking cup holder angled open product shot.
The TwistLock insulated tumbler has a slide-to-close leak-proof lid with room for a straw.

22 oz Tumbler + Vertical Mount - Fred Roumbanis Series

Professional Angler Signature Series

$79.99
$69.99 $79.99
  • Add a Locking Cup Holder
  • Secure Your Drink with a Twist
  • Vacuum-Insulated Tumbler
  • Easy to Install
  • 2-Year Unconditional Warranty
Drinkware Color: Trailhead Green

The Fred "Boom Boom" Roumbanis Signature Series Vertical Mount + Tumbler isn’t just another cup holder—it’s built for serious anglers who don’t have time for distractions. Designed in collaboration with Professional Bass Angler Fred Roumbanis, this combo keeps your drink locked in while you focus on landing your next giant hog.

Installation is quick and easy—secure the Vertical Mount with the included stainless steel screws or use the ultra-strong 3M VHB adhesive for a drill-free setup. The folding design keeps it out of the way when not in use, and when it’s time to lock in your drink, just twist it in place.

Paired with the double-wall vacuum-insulated Tumbler, your drink stays at the perfect temperature—hot or cold—for hours. Whether you're cruising across the lake or fighting a trophy fish, your drink stays secure, spill-free, and ready when you need it.

Free shipping on US orders over $45 badge. 2-year unconditional warranty badge. 60-day returns badge.
Professional Bass Fisher Fred "Boom Boom" Roumbanis TwistLock Beverage Locking System Signature Series. Featuring a folding lock cup holder for boats and an insulated 22oz tumbler in green.

22 oz Tumbler + Vertical Mount - Fred Roumbanis Series

$79.99
$69.99 $79.99

Focus on the Fish. Not the Spills.

The Ultimate Boat Cup Holder.

Center console boat with vertical mount locking cup holder and tumbler in addition to the flat mount with canteen.

Lock Your Drink Securely In.

Easily attach this folding cup holder to nearly any vertical surface on your boat and secure your drink with a twist.

Backed by a 2-year unconditional warranty.

Included
  • (x1) Locking Insulated 22oz Tumbler
  • (x1) Vertical Mount Locking Cup Holder
  • (x5) Double-sided Adhesive (3M VHB)
  • (x4) Self-tapping Screws (Stainless Steel)

Measurements & Specs
Vertical Mount Mount
  • Dimensions (Closed): 1.5"W x 5"H x 4.7"W
  • Dimensions (Open): 5"W x 5.8"H x 4.7"W
  • Materials: Polycarbonate, TPU, Stainless Steel
  • Mounts to: Any vertical surface
  • Fits: All standard-sized drinkware and when used with TwistLock Drinkware, you can securely lock in your beverage with a twist.
Tumbler
  • Dimensions: 8"x3.5"x3.5"
  • Capacity: 22oz
  • Materials (Body): Stainless Steel
  • Materials (Base & Lid): Polycarbonate
  • Compatibility: Securely locks into all TwistLock Locking Bases & fits inside standard-sized cup holders.

2-Year Unconditional Warranty

We offer a 2-year unconditional warranty on all of our products. When we say unconditional, we mean it. If anything happens, we will happily send you a replacement. 

For more information on our warranty, visit our warranty page.

How Do I Use It?

Easily add a locking cup holder nearly anywhere. Perfect for fishing boats, tractors, vans, sailboats, campers, and more!

1. Vertical Mount: Attach to any vertical surface using the included adhesive or screws.

2. Open the Cup Holder: Lift the Vertical Mount to open it.

3. Lock Your Drink: Twist your wrist to securely lock your drinkware into the Locking Base.

Shipping Info

Orders ship within 2-3 business days via FedEx or UPS from Bend, Oregon.

  • FREE US Shipping for orders over $45.
  • $5.99 Flat Rate Shipping for US orders under $45.
TwistLock Ambassador Professional Angler Fred Roumbanis on his bass boat holding a fish and his insulated stainless steel green canteen.

Meet Fred.

Fred "Boom Boom" Roumbanis is a legend in the bass fishing world—and a proud TwistLock ambassador.

A highly accomplished professional angler, Fred's career highlights include eight gold medals with USA Bass, Bassmaster Elite Major, and Bassmaster Elite at Lake Murray, as well as four Classic appearances and two trips to REDCREST.

Checkout his Instagram @fredroumbanis

TwistLock Vertical Mount attached in the cockpit of a Black Hawk Helicopter with a Green Canteen securely locked in.

Roots in Aviation.

Our patented locking cup holder began as an innovative solution for aviation safety, securing beverages in aircraft cockpits—because turbulence and coffee don’t mix.

Then the pilots started asking, 'Can I have one for my boat, too?' And just like that, TwistLock went from the runway to the waterways.

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