Twin Over Full Bunk Bed Low Floor Bunk Bed Frame, Natural uses the supplier-listed furniture details for home setup. Solid pine wood frame boasts strength and durability Supported by 14 + 7 plywood slats for even weight distribution Full-length guardrails are designed to securely enclose the. Listed dimensions are of Upper Bed 79.5" x 42" x 51.5" Height Between Beds 32" Height of Guardrails 12" Recommended Mattress Thickness of Upper Bed 6" Recommended Mattress Thickness of Lower Bed 8". Supplier-listed capacity detail is of Lower Bed 350 lbs. Package includes 1 x Bunk Bed 1 x Instruction. Listed weight detail is 97 lbs. Key listed specifications include material: Pine Wood Plywood dimensions: of Upper Bed 79.5" x 42" x 51.5" Height Between Beds 32" Height of Guardrails 12" Recommended Mattress Thickness of Upper Bed 6" Recommended Mattress Thickness of Lower Bed 8" capacity: of Lower Bed 350 lbs weight: 97 lbs package includes: 1 x Bunk Bed 1 x Instruction.