Frilled Base Valance Sheets TO FIT THE DEEP MATTRESS. (10"/25 CM Box) BOX FIT: (25 CM) VALANCE FRILL: (30 CM). Top Quality Poly Cotton Feels Soft Luxurious Cotton. Fits over the mattress (10" Deep) The material of this item is Percale, which means the thread is tighter than the standard type of weave used for bed-sheets containing a high density of fine count yarns. It has medium weight, it is firm and smooth with no gloss, and warps and washes very well. SIZES DIMENSIONS: KING: (152 cm x 200 cm + Drop 00 cm) (approx). MATERIAL: 50% Cotton 50% Polyester. WASHING INSTRUCTION: Machine Washable at 40°C.