The CMR Dou-61/B1 black briefcase is designed specifically for laptops with sizes of 14 or 15 inches. It features an anti-slip design to keep your device secure and prevent damage. The sleek black color adds a professional touch to any outfit, making it perfect for carrying your laptop and other essential items to work or school. With durable construction and reliable performance, this briefcase is a practical and stylish accessory for tech-savvy individuals on the go.