A king-size bed frame is designed to support a king-size mattress, which typically measures 76 inches wide by 80 inches long. This larger size provides ample space for couples or individuals who enjoy extra room while sleeping. King-size bed frames come in various styles, materials, and designs, allowing for customization to fit different bedroom aesthetics. These bed frames often feature sturdy construction to ensure durability and stability. Many models include additional support features, such as center legs or slats, to prevent sagging. Some king-size bed frames also come with built-in storage options, maximizing space in the bedroom.