External Dimensions: 12.4” x 8.9” x 0.8” / 31.5 x 22.5 x 2 cm, Internal Dimensions: 12” x 8.5” x 0.6” / 30.5 x 21.5 x 1.5 cm Compatible with 12.9" iPad Pro 2018-2022 M1 M2, 13.6" 13" Macbook Air M3 M2 M1, , 13" MacBook Pro 2016-2022 M2, Surface Pro 3 4 6 7 8 9 X, Surface Laptop Go, 12,6" HUAWEI MatePad Pro, 13,3" 13,4" Dell XPS 13 The surface is made of soft waterproof material to prevent splashing water and soft fluff interior inside to protect your computer. The top has a sliding zip allows convenient access to your device.Suitable for business trips, conferences, universities and leisure, it is the best protection bag for equipment and accessories. There is an extra pocket on the outside Providing additional storage space for smaller items such as your iPad , smartphone , or laptop accessories , and the zipper design won't let it slip off. NIDOO