Size:21.5 inches and 27 inches Color:Style 1 and Style 22 sizes are in availabel, can fit for iMac 21.5 inches or iMac 27 inches(A1224, A1311, A1418), check the size before place order to make sure it's applied for youStyle 1: it's super soft and ultra thin, delicate and skinny texture, super breathable and easy to carry( Not waterproof and without back organizer). Style 2: Exterior premium PU leather with inner soft lining, deisgned with a rear pocket for storage Apple Magic keyboard, Magic mouse, Lightning cable, etc..Sleek, minimal and beautifully designed your iMac computer is a technological marvel but it's also a dust magnet! That glossy screen just loves to attract dust and scratches. Protect your investment from dust, scratches, UV and the occasional light brush. Buy one today and never worry about constantly wiping down your screen.Designed especially for your iMac Designed and specifically fitted to the dimensions your iMac no other dust guard comes close to looking this good (please make sure to select correct cover for your iMac model). The back pocket is perfect for storing your power cords, keyboard, mouse or trackpad. The half back cutaway allows you to simply slip the cover on in between uses without removing the rear cables!Device must be powered off before placing the cover on.Unparalleled protectionConstructed from ultra high quality industrial PU leather with the soft lining is designed to protect your iMac from those typically cringe-worthy moments of spilt liquids (repellant).