Fabric, BUNKIE BOARD COMES SPLIT IN TWO : Making it easy and convenient to carry, travel and store. Just put the two bed boards together and its ready to use, IMPROVES YOUR NIGHTS REST : By adding firm support to any kind of bed for better back support, deeper sleep, fatigue reduction, spine position and blood flow, SUPER STRONG : Stitch bond fabric material that can support heavy weight, can use two side-by-side to fit the mattress, color-grey color may vary, DOESNT MOVE AROUNG : under your mattress, as your bunky board gives you consistent support which equals a great nights rest and less back stiffness, BOARDS EXTEND THE LIFE OF ANY MATTRESS : simply sliding it underneath, making your mattress feel firm, supportive, fresh and new
