With the anti-slip system, the Elements Second Skin soft neoprene case is designed to perfectly encase and firmly secure the new 12� MacBook. The anti-slip system consists of an elastic network that maintains grip and prevents the laptop from accidently falling out when the zipper is opened. Laptop Bag Features Compatible with: MacBook 12" Material: Neoprene Anti-Slip system to prevent the device from falling Flatlock stitching for better grip Double zipper pullers for easy access Internal Dimensions: 359mm x 247mm x 20mm External Dimensions: 280mm x 196mm x 13mm