About this item ? MATTRESS SUPPORT: Offers a sturdy, level surface that prevents sagging between bed slats. This low-profile bed board keeps your mattress in top condition. ? SAVE BUDGETS BUYING A BED: With the Bunkie Board, say goodbye to discomfort from rigid steel frames and overly thin mattresses. It prevents your old mattress from sagging, extending its lifespan. ?️ BED BOARD UNDER MATTRESS SUPPORT: Alleviates discomfort from steel or wooden frames! This bed board provides better mattress support, enhancing your sleeping posture. ? MODULAR PORTABILITY DESIGN: The bed board is segmented into multiple parts, making each section lighter and easier to transport, install, and remove. ?️ Large Queen Size: Fits a 60"W x 80"L bed when it’s expanded. It is approx. 39.3 X 14.3 inches when folded. The board’s 1/4 thick and weighs about 23.4 pounds. Please note: the board doesn’t have to fit completely under the mattress while it can still be effective for its intended purpose. › See more product details