The wool felt inner bag、 protect your device form dust、 scratch or other damage. Fashionable brief design、 comfortable hand feeling、 convenient and practical. 100% accurate size、 really fit your beloved device. The back attachment bag design、 can be put into the mobile phone、 cable、 etc. Attached to the same material accessory bag、 ideal for power supply、 mouse. Inner bag: 33.7cm * 23cm * 2.3cm Accessory bag: 14cm * 11.3cm * 3.5cm Instructions: The woolen fabrics may be adhesion of some broken wool during production、 you can gently brush down it when first use. Please hand wash、 no machine wash、 dry after washing. Dimensions: 13.27 in x 9.06 in x 0.91 in (33.7 cm x 23.0 cm x 2.3 cm) Weight: 5.93 oz (168 g)