BEST TWIN BED: The twin bed is great for any kid's bedroom | The tall. padded headboard provides a comfy backrest SAFE FOR KIDS: The mattress is designed to sit on the floor in the bed frame for your child's safety and ease | Mattress can be raised with an optional box spring (mattress and box spring sold separately) FOR AVENGERS FANS: Bed features vibrant graphics of everyone's favorite Avengers. Iron Man. Captain America. Thor. Hulk and more DURABLE DESIGN: This twin bed features a faux leather upholstered headboard and footboard that is durable and will look great for years to come SIZE: Assembled dimensions: 42W x 80D x 31.25H | Recommended for 3 years+ | Fits standard twin mattress (sold separately)