The Mammoth Tropic is an ultra-comfortable backpack

• High-quality cooler
• 30 quarts and can hold up to 24 cans and ice
• Ice retention lasting 3-5 days.
• Includes an air valve technology, making it easy for you to add or remove air to maximize performance
• Anti-microbial liner resists all mold and mildew
• Roll-top closure, making this bag become leakproof and airtight
• Limited lifetime warranty