The SOMEI base covers are available in two versions using natural and non-allergenic materials. They prevent dust from penetrating and maintain heat exchange. They are available in all single and double sizes. For "outsizes" please contact our sales department.     Base cover made from polyester fibre, white, needle punched and thermo-fastened, 270 g/sq m Edged with cross-cut ribbon with laces for securing to the base.   Base cover made from quilted fabric underneath and 100% panama cotton above, ecru colour. 100% polyester fibre filling. Edged with cross-cut ribbon with laces for securing to the base..