1. Product Overview
The Coleman 28-Quart Cooler is designed for portable cooling, capable of holding up to 36 twelve-ounce cans. Its design accommodates 2-liter bottles upright. It features a hinged lid and a large bail handle for convenient transport. This cooler is constructed with Thermozone insulation, which contains 0% ozone-depleting materials.
Key Features:
- Holds 36 twelve-ounce cans.
- Accommodates 2-liter bottles upright.
- Equipped with a hinged lid for easy access.
- Features a large bail handle for comfortable carrying.
- Utilizes Thermozone insulation for efficient cooling.

2. Setup
Before initial use, and after each use, clean the cooler thoroughly. This ensures hygiene and optimal performance.
Initial Preparation:
- Wash the interior and exterior of the cooler with mild soap and warm water.
- Rinse thoroughly and allow to air dry completely before closing the lid.
- For best cooling performance, pre-chill the cooler by placing ice or ice packs inside for a few hours before loading items.
3. Operating Instructions
Loading the Cooler:
- Place pre-chilled food and beverages into the cooler to maximize ice retention.
- Fill any empty spaces with ice, ice packs, or crumpled newspaper to reduce air pockets and improve insulation.
- Ensure the lid is securely closed after each access to maintain internal temperature.
Carrying and Transport:
The cooler is equipped with a large bail handle for easy carrying. To use, simply lift the handle. Ensure the cooler is not overloaded to prevent strain during transport.

4. Maintenance
Cleaning:
- After each use, empty all contents and ice.
- Wash the interior and exterior with a solution of mild soap and warm water. For stubborn stains, a baking soda paste can be used.
- Rinse thoroughly with clean water.
- Allow the cooler to air dry completely with the lid open to prevent mold and mildew growth.
- Do not use abrasive cleaners or harsh chemicals, as these can damage the cooler's surface.
Storage:
Store the cooler in a cool, dry place away from direct sunlight. Keep the lid slightly ajar during storage to allow for air circulation and prevent odors.
5. Troubleshooting
| Issue | Possible Cause | Solution |
|---|---|---|
| Contents not staying cold for expected duration. | Lid not sealed properly; insufficient ice; warm items loaded; frequent opening. | Ensure lid is fully closed. Use more ice or ice packs. Pre-chill items before loading. Minimize lid openings. |
| Unpleasant odor inside cooler. | Improper cleaning or storage. | Clean thoroughly with baking soda and water. Air dry with lid open. Store with lid slightly ajar. |
6. Specifications
| Attribute | Detail |
|---|---|
| Model Number | 6278-718G |
| Capacity | 28 Quarts (approximately 26.4 Liters) |
| Exterior Dimensions (L x W x H) | 50.29 cm x 35.31 cm x 30.1 cm (19.7 in x 13.7 in x 12 in) |
| Item Weight | 2.4 kg (5.3 lbs) |
| Material | Plastic |
| Insulation Material Type | Polyurethane Foam (Thermozome insulation) |
| Color | Blue |

7. Warranty and Support
For specific warranty information or technical support regarding your Coleman 28-Quart Cooler, please refer to the documentation included with your purchase or visit the official Coleman website. Contact details for customer service are typically available on the manufacturer's website.





