Specially designed for MX Master 3/2S mice. Made of high-quality EVA and Oxford cloth material, durable, shockproof, and waterproof. Provides good protection for the mouse from drops, bumps, scratches, dust, and abrasions. Smooth but strong 360-degree zipper for easy opening and closing. Hand strap and buckle design for easy carrying when traveling or going out. Note: The color of the storage bag lining is random and cannot be selected. 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; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. Measurement allowed error is +/- 1-3 cm.