Note: Please measure the size of your computer, the laptop thickness, if not clear, please contact customer service to inquire about purchase. Note: Manual measurement, error 1-3CM is normal, if you can not accept, please do not buy! Product Specification ①. Product name: 9-11 inch flat bag Product size: 31*25*5cm Weight: 0.29kg ②. Product name: 12-13 inch flat bag Product size: 36*26*5cm Weight: 0.33kg Storage Display ①. Main storage space ②. Fluff space ③. Zippered front pocket ④. Mouse and phone storage ⑤. Pencil case Anti-drop Design At The Bottom Thickened sponge to prevent falling Independent Layered Design Avoid machines colliding with each other. Waterproof Material Durable fabric Fully Protect Your Device Plush fabric to protect your device Model Display 1. Handle 2. Shoulder strap