A Lenovo ThinkBook laptop is an all-round business laptop. Edit business photo or video projects and work in company systems without slowdowns. A ThinkBook has a sturdy casing, spill-resistant keyboard, and has passed military-grade testing. That way, you don't have to worry if you bump your laptop into something or spill water over it. The Lenovo ThinkBook is also well-protected by Windows Pro and a fingerprint sensor. ThinkBooks come in 13, 14, 15, and 16-inch models. Often use your laptop as a tablet? Get a 2-in-1 model.