NOISE-FREE SLEEP EVERY NIGHT: Enjoy a quiet night’s sleep with the solid wood construction of our california king box spring; this bed box spring consists of snug-fitting joints and natural wood, removing noisy metal components and providing a stable, noise-free foundation for your mattress EASY TO ASSEMBLE IN TIGHT SPACES: The flat-packed design makes it easy to transport and assemble in narrow hallways and tight spaces; perfect for apartments and older homes, this california king size box spring fits easily through doorframes and around corners STURDY SUPPORT FOR BETTER SLEEP: This california king size box spring only offers reliable, even support for all mattress types; it ensures no sagging, maintaining comfort and stability for a restful night’s sleep ENHANCES YOUR BEDROOM: Our 4.5” white california king bed box spring matches your mattress and bed frame; it complements various bedroom styles and setups; includes a fabric cover for a sleek, finished look HANDCRAFTED AMISH QUALITY: Made in the USA by skilled Amish craftsmen using premium solid wood; these california king bed box springs are built to last, offering long-term strength, stability, and superior American craftsmanship