This Yoga-branded sleeve is designed exclusively for Yoga 900. It provides protection while using Yoga 900 in multiple modes and access for charging and ports. Designed for Yoga 900 for multi-mode use. Precise fit and protection slim, quick-loading envelope-style design. The Lenovo Laptop Sleeve can be carried solo and it is slim enough to fit into a bag Dedicated openings for port access and pen storage slot Lets you charge the battery and access ports while your laptop remains protected.