[Space Saving Daybed] twin daybed with C-shaped semi-enclosed design and sturdy metal slatted guardrail enhances your child's sense of security and is perfect for a teenager's bedroom. Our twin bed frame is great for any room or patio,which can be used as a modern bed a sofa or extra seating,accommodating family and friends for sleepovers.[Ample Under Bed Storage Space]Twin size sofa bed outer dimensions:78.2""(L)x41.6""(W))X41.5""(H),Trundle bed dimensions:73.6"" (L) x 38.9"" (W) x 12.6"" (H),12.6"" height from the floor for under-bed storage space,providing more practical storage space for small spaces. You can store your suitcase, bedding, toys, shoes,etc.[Sturdy Metal Bed Frame]The twin size daybed frame is crafted with metal frame structure with heavy-duty steel slats support,supports 660 pounds,no shaking or squeaking. To ensure the mattress stays in place, twin daybed designs with embedded structure,keeping the mattress stuck tightly on the frame with no slip.