BUILT Neoprene Slim Sleeve for 13-inch MacBook Air, 13-inch MacBook Pro and 14-inch Ultrabook, Black and Silver BUILT Neoprene Slim Sleeve for 13-inch MacBook Air, 13-inch MacBook Pro and 14-inch Ultrabook, Black and Silver Made of durable Neoprene (the wetsuit material) backed by a plush inner lining designed to safeguard the contents Elastic Neoprene back stretches over top, securing MacBook in place Checkpoint friendly and travels easily in bags Measures 1-1/10-inches by 9-7/10-inches by 13-4/10-inches