Heavy duty risers It won't crack like other lifters ,risers are great for Beds, Couches, Armchairs, Desks, Sofas, and more.<br> Add 5cm/2inches for Stationary Items,internal size: 6cmx6cm/2.36inchesx2.36inches,total height:9cm/3.54inches<br> Increase Height and Lift Bed to Store Items - More Storage Space Instantly. Create More Storage Under Beds and Furniture. Great for robot vacuums,also prevent furniture from molding<br>Package include:4 x Wooden Furniture Risers, easy to install<br> Material: Made of eucalyptus wood, sturday and stylish look. Color: black<br>