These hypo-allergenic waterproof duvet covers help to help to protect the mattress from spillages. These protectors also protect the user from dust mites. Made from flame retardant polypropylene, they are washable and require no ironing. Available in three different sizes: Single 1362 x 1950mm (53.5 x 76.75 inches) Double 1950 x 2000mm (76.75 x 78.75 inches) King size 2225 x 2225mm (88.5 x 88.5 inches) Mattress and pillow protectors are also available.