Twin Size Upholstered Frame: Soft padded design for comfort and a modern, versatile look that fits any decor. Customer Care: If you encounter any product problems about this product, please visit our website Merax.com or contact us via this email: csr@merax.com Pull-Out & Lift-Up Twin Trundle: Hidden lower bed rolls out smoothly and elevates to create an additional twin-size sleeping surface. Integrated Light Strips: Armrests on both sides feature built-in lighting for a warm, ambient glow and nighttime convenience. Ample Storage Space: Backrest includes multiple shelves and cabinets for organizing books, décor, or essentials within arm’s reach. Weight Capacity: Bed: 400lbs. Trundle: 250lbs. Recommended Mattress Thickness: Bed: 6 inch. Trundle: 6 inch. Number of Slats: 10+10. No box spring required