Designed and molded exclusively for theDell XPS 14 9440,Case for Lenovo ThinkBook 14s Yoga Gen 3/Gen 2/Gen 1 & Yoga C940 C940-14IIL/ThinkBook 14 Gen 4/ThinkBook 14 Gen 5Dell XPS 14 9440,Case for Lenovo ThinkBook 14s Yoga Gen 3/Gen 2/Gen 1 & Yoga C940 C940-14IIL/ThinkBook 14 Gen 4/ThinkBook 14 Gen 5Dell XPS 14 9440,Case for Lenovo ThinkBook 14s Yoga Gen 3/Gen 2/Gen 1 & Yoga C940 C940-14IIL/ThinkBook 14 Gen 4/ThinkBook 14 Gen 5It adopts a full inner lining design, and its size and port holes are consistent with the universal model., eliminating the sway and offset issues found in universal models, providing exclusive protection for your laptop. Heat-dissipating lining protects laptop performance: The lining is made of a breathable, heat-dissipating material that reduces heat buildup during laptop operation. This prevents the laptop from stuttering due to overheating. This combines protection with stable device function, making it ideal for people who work on their laptop for long periods