Size: Twin
Item Dimensions : 79.5"L x 43.1"W x 45.2"H
Slats : 10(TWIN) pcs
Clearance underneath：29.75" H
Safety guard rails：3.625" H

Mattress Platform :
    TWIN SIZE / 76.0"L x 39.3"W

Recommended mattress – 37.5” W x 75” L (thickness up to 8”)

Main material : Solid Pine
Slats/Rail : Plywood

Weight capacity : 175 lbs (TWIN BED : 175 lbs)
Product weight : 35 kg / 77.2 lb

Package Weight:36.5 kg/80.67 lb
Package Dimension:204.5L x 28.5W x 21H cm / 80.52L x 11.23W x 8.27H inch

You can also download the online instruction as follows:
ASSEMBLY INSTRUCTIONS