This is the Geekria ProShell headphone case. Internal dimensions: 19 x 16 x 6.5 cm The ultra-hard shell case protects your headphones from drops, impacts, or collisions. The included pouch can store various accessories such as cables, cords, ear pads, headphone amplifiers, chargers, and adapters. [Package Contents The headphone case is compatible with models such as Sony WHXB900N, WH1000XM4, WH1000XM3, WH1000XM2, MDR1000X/C, MDR1000X/B, and MDR1000X.] Package contents: 1 case (headphones not included) Geekria Case Compatible ProShell Headphone Case Hard Case Travel Hard Shell Case Compatible with SONY WH1000XM4, WH1000XM3, WH1000XM2, WH-XB900N, MDR-1000X, includes storage pouch