★This bed is "customer assembled furniture"★ For "customer-assembled furniture," we ask that customers unpack, assemble, and install the product themselves. With a wide variety of combinations, you can even split it up in the future! With 11 different sizes available, you're sure to find the size and combination you're looking for. Semi-single 80cm Single 100cm Semi-double 120cm Double 140cm Create a spacious bed in the size you like! Combination Examples For couples Semi-single x Semi-single Queen type Single x Semi-double room for 3 people (parent and child) Wide K220 type Double x double wide K280 type for a family of four Even when your child grows up, you can simply separate it and use it separately.