★This bed is "customer assembled furniture"★ For "customer-assembled furniture," we ask that customers unpack, assemble, and install the product themselves. Multi-layer super spring mattress included ◇Made in Japan ◇Height adjustment ◇Slatted bed ◇Lights and outlets Height-adjustable domestic family bed ≪Choose the size that suits your room and the number of family members!≫ - Combine single, semi-double, and double size beds to create a large bed. WK200 [2 singles] WK240 [2 semi-doubles] WK280 [2 doubles] <Low type> When your children are small, the low type is safe. Since things cannot get under the floor, It prevents children from playing with it. If you use a thin mattress or futon, the footboard also acts as a preventative measure against slipping off. <High type> The height is easy to stand up from. There is space underneath, so you can store things. The height is also suitable for a cleaning robot.