The Compressed Air Duster Cleaner is a pack of 12 cans, each containing 10 oz of cleaner. This product by Innovera is designed specifically for cleaning computers and electronics, providing a powerful blast of compressed air to remove dust and debris from keyboards, laptops, and other devices. The cans are easy to use and effective in keeping electronics clean and free from buildup, making it a convenient and practical cleaning solution for tech-savvy users.