Zinus Modern Studio 14 Inch Platform 1500H Metal Bed Frame, Mattress Foundation, Wooden Slat Support, with Headboard, Full Strong mattress support with 10 wood slats prevents sagging and increases mattress life Assembles easily in minutes Headboard and frame combine for stylish mattress support, 5 year worry free limited warranty Foam padded tape is added to the steel frame for noise-free use and non-slip tape on the wooden slats prevents your mattress from moving Please follow instructions for proper assembly. Numbers or Arrows must match on all four corners and holes aligned. Improper assembly will result in the slats being too wide and Part C being too short