If you’re looking for a sturdy and stylish king size bed frame, the Allewie King Bed Frame Platform Bed with Fabric Upholstered Headboard and Wooden Slats Support is definitely worth checking out.

Bshomgi Headboards Queen Size Headboard Wall Mounted Headboards King for Bed With Linen Upholstery ... the notion of mounting even a small frame to the wall makes me shudder.