We love the hypoallergenic down-like design of this duvet. With a cotton case and special Modal microfibre filling it will envelop you in softness to provide you with the most comfortable sleep night after night. Encased in a 205-thread-count cotton jacquard it makes a breathable choice for any bedroom.This duvet comes complete with buttonhole tabs and buttons so you can build a higher tog rating by joining a 4.5 tog duvet with 7.5 or 10.5 tog duvet. 4.5 tog duvets have buttonhole tabs 7.5 and 10.5 tog duvets have button attachments.