Designed and molded exclusively for theLenovo ThinkBook 14 Gen 5/ThinkBook 14 Gen 4/ThinkBook 14 G4 ABA IAP/ThinkBook 14 Gen 3/ThinkBook 14 G3 ACL/ThinkBook 14 G2 ARELenovo ThinkBook 14 Gen 5/ThinkBook 14 Gen 4/ThinkBook 14 G4 ABA IAP/ThinkBook 14 Gen 3/ThinkBook 14 G3 ACL/ThinkBook 14 G2 ARELenovo ThinkBook 14 Gen 5/ThinkBook 14 Gen 4/ThinkBook 14 G4 ABA IAP/ThinkBook 14 Gen 3/ThinkBook 14 G3 ACL/ThinkBook 14 G2 AREIt 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 of time.