Specially designed for MX Master 3/2S mice. Made of high-quality EVA and Oxford cloth material, durable, shockproof, and waterproof. Provides excellent protection for the mouse from drops, bumps, scratches, dust, and abrasions. Smooth and strong 360-degree zipper for easy opening and closing. Hand strap and buckle design for convenient carrying during travel or outdoor use. Note: The color of the storage bag lining is random and cannot be specified. Storage bag only; other accessories shown in the picture are not included. Color: Black Material: Oxford Cloth + EVA Package Contents: 1 x Mouse Portable Storage Bag Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause slight color variations between the image and the actual item. Measurement allows an error of +/- 1-3 cm.