ACME Cailyn Trundle (Twin), White, 73" x 39" x 4"H, 19lbs. The roll-out trundle unit features superior quality metal for durability and provides plenty of support and keeps mattress in place. Designed to fit under Silhoutte or Cailyn's Collection Beds. Choose from black, blue, silver or white finish such variety of colors makes it compatible with all types of decor settings. Features: - Box Spring NOT Required (Slat System Included) - Twin Trundle Bed - Caster Wheels Included - Available in Black, Blue, Silver and White Finish - Mattress not included Materials: Metal