Nail head trim: stainless steel in brass. Linen upholstery. Made from birchwood in white washed. No assembly required. Seat: 18.9 in. W x 21.6 in. D x 18.9 in. H. 34.4 in. W x 28 in. D x 32.7 in. H (40 lbs.). Care Instructions: To prevent overall soiling, frequent vacuuming or light brushing is recommended. Cushions and pillows should be turned on a weekly basis. Down-filled cushions should be brushed rather than vacuumed. Spot clean, using a mild water-free solvent or dry cleaning product. Only a professional cleaner should undertake a complete overall cleaning. The use of steam or water-based cleaners may cause excessive shrinking or staining.