Sturdy Frame: This bunk bed is made with sturdy steel that is stable and durable. Coming with built-in mattress support, the bunk features many slats to help increase the longevity of your mattresses. Safety Ensured: The bed Comes with full-length guardrails, built-in ladders, and secured metal slats that do not require a foundation. Friendly Design: Crafted with a whimsical playhouse design, this bunk bed offers you a comfortable and exhilarating experience during both sleep and playtime that will let your imaginations run wild. Perfect for hours of entertainment and relaxation, the playhouse design makes this bunk the perfect centerpiece for any of your bedrooms. Weight & Dimensions: Overall Product Dimension: 77.9" L x 41.3" W x 82.2" H Number of Package: 1 Overall Product Weight: 125 LBS Weight Capacity Upper bed: 250 LBS, Bottom bed: 350 LBS Recommended Mattress Thickness Upper bed: 4 - 6"; Bottom bed: 8" Specifications: Product Type: Bunk Bed Size: Twin over Twin Product material: Steel Level of Assembly: Full Assembly Needed Box Spring Required: No Mattress Included: No Estimated Time to Assemble: 60 minutes Number of Slats: Upper bed: 21, bottom bed: 21 Suggested Number of People: 2 Additional Tools Required: All Tools Included Avoid power tools: Yes Country of Origin: Vietnam Notes: Manual measurement has been used, there may be some reasonable error. All the pictures are taken by actual samples, slight chromatic aberration may occur due to lighting or display.