Another 38+ Closet Bunk Beds. An explanation of how i built bunk beds into my boys closet to save space. The 16 coolest bunk bed ideas for kids and adults alike. Bunk beds are supported on four pillars on each corner. 922 bunk bed with closet products are offered for sale by suppliers on alibaba.com, of which beds accounts for 3%, dormitory beds accounts for 2%, and wardrobes accounts for 1%.