Presenting Mainline® Coolers.
Key Product Features
The inner workings of a great cooler.
Rotomolded Construction
Virtually indestructible, no-sweat exterior.
Cold-Seal Lid Gasket
Freezer-style seal runs the length of the lid, locking in cold.
Thick-Wall Insulation
2” thick, injected commercial-grade foam keeps ice longer.
Secure Lid Latches
Heavy-duty rubber latches keep your cooler lid sealed.
Quick-Flow Drain System
Durable and leak-proof drain plug for quick draining.
Integrated Padlock System
Helps keep your valued contents safe.
10-Day Ice Retention
Perfect for extended stays in the middle of nowhere.
Non-Slip Rubber Feet
Keep your cooler secure and raised above hot surfaces.
Product Videos
Mainline® Coolers in action.
Mainline® Coolers come in a variety of sizes and styles. Browse our videos and find the one that’s just right for your next adventure.
Mainline® Coolers Ad
Our short :40 commercial. Enjoy!
6-Day Cooler Ice Challenge
We put our Mainline® Coolers to the test.
ML20LN Features
ML45LN-ML65LN Features
ML45LN-ML65LN Features
Models
Four sizes, two colors. Choose your adventure.
ML20LN
20 Liter/21 Quart Cooler
- Rotomolded Construction
- Padded Locking Carry Handle
- Thick-Wall Insulation
- Integrated Padlock System
- Cold-Seal Gasket
- Quick-Flow Drain System
- Also available in Tan
ML40LW
40 Liter/42 Quart Cooler
- Durable Rotomolded Construction
- Thick-Wall Insulation
- Integrated Wheels
- Integrated Bottle Openers
- Integrated Padlock System
- Cup Holders
- Cold-Seal Gasket
- Quick-Flow Drain System
- Includes Divider/Cutting Board
- Also available in Tan
ML45LN
45 Liter/48 Quart Cooler
- Durable Rotomolded Construction
- Thick-Wall Insulation
- Integrated Padlock System
- Cold-Seal Gasket
- Quick-Flow Drain System
- Includes Divider/Cutting Board
- Also available in Tan
ML65LN
65 Liter/69 Quart Cooler
- Durable Rotomolded Construction
- Thick-Wall Insulation
- Integrated Padlock System
- Cold-Seal Gasket
- Quick-Flow Drain System
- Includes Divider/Cutting Board
- Also available in Tan