A Carlton Dry bottle fitted with a blue TOPA FitSeal adapter insert, sitting securely in a navy YETI Rambler Colster 375ml can insulator on a timber bar counter, with a whisky glass and citrus garnishes in the background.

TOPA FitSeal – Colster Adapter (Compatible with YETI® Colsters)

Great Northern/Asahi/Carlton Dry
$15.00
$15.00
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A Carlton Dry bottle fitted with a blue TOPA FitSeal adapter insert, sitting securely in a navy YETI Rambler Colster 375ml can insulator on a timber bar counter, with a whisky glass and citrus garnishes in the background.
  • A Carlton Dry bottle fitted with a blue TOPA FitSeal adapter insert, sitting securely in a navy YETI Rambler Colster 375ml can insulator on a timber bar counter, with a whisky glass and citrus garnishes in the background.
  • Seven compatible bottles displayed in a row around a navy YETI Rambler Colster 375ml can insulator — Corona Extra, Asahi Super Dry, Great Northern, Carlton Dry, Vodka Cruiser Juicy Raspberry, Somersby Apple Cider, and Coopers Pale Ale — showcasing the full range of bottles supported by the TOPA FitSeal adapter insert.
  • A Carlton Dry bottle fitted with a blue TOPA FitSeal adapter insert, sitting securely in a navy YETI Rambler Colster 375ml can insulator on a timber bar counter, with a whisky glass and citrus garnishes in the background.
  • Seven compatible bottles displayed in a row around a navy YETI Rambler Colster 375ml can insulator — Corona Extra, Asahi Super Dry, Great Northern, Carlton Dry, Vodka Cruiser Juicy Raspberry, Somersby Apple Cider, and Coopers Pale Ale — showcasing the full range of bottles supported by the TOPA FitSeal adapter insert.
TOPA FitSeal – Colster Adapter (Compatible with YETI® Colsters)

How It Works

See how the TOPA FitSeal works in seconds

The TOPA FitSeal is designed to help your colster securely hold the right bottle with a snug, clean fit.

Simply choose the FitSeal that matches your bottle type, insert it into your colster, then drop your bottle in place.

Important: Each FitSeal is made to suit a specific bottle shape, so be sure to select the correct option before purchasing.

Insert. Drop in. Lock it tight.

TOPA FitSeal – Colster Adapter (Compatible with YETI® Colsters)

$15.00
$15.00
Each FitSeal is designed for a specific bottle — please select your bottle type before adding to cart.

Turn your YETI Colster into a multi-fit setup — no new gear required.

The TOPA FitSeal is a precision-fit adapter that drops straight into your YETI Colster, letting it securely hold a wider range of bottles with a snug, rattle-free fit.

Fits Your Favourite Bottles

Each FitSeal adapter is designed for a specific bottle shape, so you get a proper fit every time. Available for:

  • Corona
  • Asahi
  • Great Northern
  • Carlton Dry
  • Vodka Cruiser
  • Somersby
  • Coopers Pale Ale

Simply select the option that matches your bottle before purchasing.

Built to Last

Made in Australia from ASA — a premium engineering-grade filament chosen for its toughness, UV resistance, and ability to handle heat without warping or going brittle. Whether it's out in the sun, on the boat, or in the esky bag, FitSeal is built for real conditions.

Simple to Use

  • Drops in and out by hand — no tools needed
  • Holds your bottle firmly with no rattling or movement
  • Designed for repeat, everyday use

No need to replace your colster. Just drop in the FitSeal and you're good to go.

This listing is for the adapter insert only. Colster and bottles shown are for demonstration purposes only. Each FitSeal suits a specific bottle — please select the correct option before purchasing.

YETI® is a registered trademark of YETI Holdings, Inc. TOPA is not affiliated with or endorsed by YETI.

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