The Heyday Blue Puffy Sleeve is designed for laptops and tablets up to 12.9 inches in size. This sleeve case by Heyday features a padded interior to provide extra protection for your device. The blue color adds a vibrant touch to your tech accessories, while the universal compatibility means you can use it with any laptop or tablet model. The sleek design and quality construction make it a stylish and practical choice for carrying your device on the go.