A firm, foldable bed support board designed to eliminate sagging and improve sleep quality on sofa beds, bunk beds, pull-out beds, and mattress foundations. The 10mm medium-density groove board provides rigid, even support across the full sleeping surface — strong enough to hold the weight of multiple adults. Key Features Eliminates Sagging: Placed directly on top of the sofa bed or mattress foundation to replace worn-out spring support and prevent uncomfortable dips 600D Oxford Cloth Cover: Durable, breathable fabric with silicone bump texture on the underside to prevent sliding 10mm Medium-Density Groove Board: Extra-thick rigid panel supports multiple adults without flexing or noise Foldable Design: Folds for easy storage, transport, and setup — ideal for guest rooms and pull-out sofas Washable Zippered Housing: Zipper allows the cover to be removed and machine washed for easy cleaning Noise Minimizing: Reduces squeaking and spring noise for a quieter sleep surface Versatile Fit: Compatible with children's beds, bunk beds, sofa mattresses, pull-out beds, and platform beds Materials & Construction Core: 10mm medium-density groove board Cover: 600D Oxford weave fabric Non-slip surface: Silicone bump particles Closure: Zipper (removable, machine washable cover) Color: Black Style: Modern Product Specifications Specification Details Style Modern Color Black Material 600D Oxford Cloth, 10mm Medium-Density Groove Board Special Feature Washable Housing, Zipper Closure, Non-Slip Silicone Base Weight 14.95 lbs Package Dimensions 39.0"L x 14.5"W x 3.5"H Available Sizes & Dimensions Size Length Width Full 75 inches 54 inches Queen 80 inches 57.5 inches King 80 inches 76 inches Package Dimensions Measurement Value Length 39.0 inches Width 14.5 inches Height 3.5 inches Ideal For Sofa beds and pull-out mattresses Bunk beds and children's beds Platform beds needing extra support Guest rooms and spare bedrooms Beds with sagging or broken spring support