Twin-size platform bed frame offers a quiet, noise-free supportive foundation for a mattress; no box spring needed Made of durable steel for reliable strength Simple tool-free setup; folding mechanism for compact storing or moving up stairwells or through doorways 265 pound weight capacity Under-bed storage space with a vertical clearance of about 17 inches Product Dimensions: 75 x 39 x 18 inches (LxWxH)