Steel Canopy Bed . This kids metal house bed is also perfect as a reading or a playhouse.this bed frame is made of metal, making it exceedingly sturdy and durable.with stable slat let the bed frame weight capacity reach 350lbs, metal bed frame is more stable than wooden bed, it is durable and has. Metal canopy bed frames are the most attractive and evocative beds in our collection. Mainstays Metal Canopy Bed, Queen, Black from www.walmart.com Best value zinus metal canopy bed. Assembly is required, but is relatively easy. Mid century silvered canopy king size bed with an upholstered headboard and stainless steel and metal frame.