Bed Material: Pine wood+MDF Size: Twin Color: White Numbers of Package: 1 Assembly Required: Yes Overall Product Dimension: 77.9''L x 41.5''W x 71''H Package Dimension: Please refer to the Specification Bed Dimension: 77.9'' x 41.5'' (inner size) Total Height: 71'' Overall Product Weight: 96.91lb Platform Bed Weight Capability: 400lb Trundle Weight Capability: 250lb Number of Platform Bed/Trundle Slats: 10pcs Recommend Platform Bed/Trundle Mattress Thickness: 8-10''/4-6''