Ozark Trail 12 Can welded cooler interior features high-performance thermal insulation for long-lasting cold and a removable hard liner and shelf with built-in Microban? antimicrobial protection. The welded, waterproof exterior of this cooler is resistant to punctures and U.V. rays and features YKK? water repellent, easy-glide zippers. The exterior also includes a heavy-duty, waterproof, EVA molded base, water repellent, zippered pocket, and adjustable shoulder strap with shoulder pad. For best results, pre-chill your cooler with ice the night before use. Using block ice will help to keep your contents cold as it melts as a slower rate than standard size ice cubes. The Ozark Trail 12 Can Welded cooler is perfect for all kinds of adventures and measures 11.2" x 8' x 13.2", weighing just 3.3 lb when empty.