Double steel bunk bed /Simple metal prison heavy duty bed

1.The main framework:40**40mm steel square tube, 

2.Ladder use 25*25mm square tube,anti-skid footstep.

3.  All steel parts processed with sand blasting, pickling, epoxy powder coating and high temperature baked. 

4. TIG welding, smooth and neat.

5.The plastic caps are made of PVC plastic, black.