Modifi™ Universal Bed Frame - Full Queen King & California King is a metal bed frame designed to fit Full, Queen, King and California King mattresses, offering a single solution for multiple bed sizes. The frame uses steel cross rails and reinforced support legs for steady mattress support, while plastic glides protect floors and minimize shifting. It works with or without a box spring to raise your mattress, improve airflow and create underbed storage, and it assembles quickly so you can set up your bed and start sleeping sooner. Fits Full, Queen, King and California King mattresses for one universal frame. Provides stable support with steel cross rails and reinforced support legs, with plastic glides to protect floors. Made in the USA and built for easy assembly and reliable, long-lasting performance.