The Hopper® M30 Soft Cooler Is Yetis Tough-as-nails Soft Cooler That Can Carry 42 Cans (Only) Of Your Favorite Beverage (Or 32 Pounds Of Ice). Their Signature Wide-mouth Opening Has Been Reengineered To Stay Open With Ease And Close Tight With A Gentle Push. A Strip Of Ultra-strong Magnets Locks In Cold While Quick-release Buckles Provide Extra Security Through Choppy Water Or When Riding Through Rough Terrain In The Bed Of A Truck. Warning: Do Not Leave Your Soft Cooler Open In The Presence Of Children And Animals. Entrapment And Suffocation Can Occur. Warning: Hopper® Soft Coolers Are Not Compatible With Dry Ice. Use Of Dry Ice Will Cause Airtight Vessel To Explode. Warning: This Product Contains Magnets. Placing Near A Pacemaker May Cause Interference.