Seems to be £20 most places
Reward your 13-inch notebook with the protection it deserves with this fashionable Crumpler The Gimp 13" Laptop Sleeve! Made from thick, waterproof neoprene with nylon stitching, this durable black sleeve is ideal for safeguarding your computer from day-to-day knocks and scrapes. It's ideal for use either indoors, or as an extra layer within your existing case for use..
3% quidco as well