Designed and molded exclusively for theLenovo THINKPAD X1 EXTREME/THINKPAD P1/THINKPAD P1 GEN 2/THINKPAD X1 Extreme Gen 3/THINKPAD P1 Gen 3Lenovo THINKPAD X1 EXTREME/THINKPAD P1/THINKPAD P1 GEN 2/THINKPAD X1 Extreme Gen 3/THINKPAD P1 Gen 3Lenovo THINKPAD X1 EXTREME/THINKPAD P1/THINKPAD P1 GEN 2/THINKPAD X1 Extreme Gen 3/THINKPAD P1 Gen 3It adopts a full inner lining design, and its size and port holes are consistent with the universal model.