Heavy-Duty 600D Oxford Fabric & Extra Sturdy - Constructed with heavy duty 600D Oxford cloth and 12mm ultra-rigid support board. It effectively prevents your mattress from sagging and stops it from slipping into bed frame gaps. Unique S-Curve Corrugated Structure - Our innovative S-shaped wave support offers significantly stronger resistance to bending than ordinary straight ribs. This design provides enhanced support, effectively protecting your back, spine, and lumbar region for ultimate comfort. Non-Slip & Noise-Free Silicone Grips - Features bottom silicone grip dots that firmly attach to the bed frame, preventing movement and eliminating all squeaks, creaks, and friction noises. Ensures a truly silent, undisturbed rest for significantly improved sleep. Enhanced Breathability & Moisture Protection: - Strategically placed openings promote excellent air circulation, effectively dissipating heat and humidity. This maintains a fresh, dry, and comfortable sleep surface over the long term. Perfect Fit for Standard Bed Frames: Available in two sizes to fit most common bed frames in the U.S. market: Queen (60 x80 ) and King (76 x80 ). Ensures a seamless and hassle-free setup for your mattress. UPC 769029634145 Size King Size 76 x 80 Color Grey Set Name King Brand Name Voyla Item Depth 0.47 inches Style Name Modern Manufacturer Voyla Model Number GRAY-BKI-KING Material Type Fabric-covered board Item Dimensions 76 x 76 x 0.47 inches Required Assembly No Manufacturer Part Number GRAY-BKI-KING Item Dimensions L x W x Thickness 76 L x 76 W x 0.47 Th