When used as a bunk bed, the down bed can be set aside separately while the space below is large enough for children to play.This twin over twin bunk bed can be divided into two completely independent beds, One is a twin size bed and the other is a twin size daybed.this bed is simple, sleek, and space-saving.Description:Material: Pine wood+MDFSize: Twin over TwinColour: WhiteSpring box: No needAssembly Required: YesDimensions:Upper bed: 75.9" x 38.1"Below bed: 79.9" x 38.1"Bunk Total height: 49.9"Twin Bed Weight capability: 220lbRecommend Daybed Mattress thickness: 8-10"numbers of package: 2package 1: 42.13" x 15.55" x 7.48" (61.73lbs)package 2: 82.28" x 14.57" x 5.51" (84.88lbs)