A decorative solidwood OAK oiled top cut specifically for ikea kallax units with 4 cubes parallel to the floor. You will receive one top but with 4 double sided hard tape, around 0.3mm thick to use on 4 bottom corners of the shelf to attach to ikea kallax top surface. So you will not need any tools, just the tapes we will send you.
It will prevent the top from sliding or moving.
You can order oiled version or sanded only version if you would like to oil or paint yourself to match the color of your decoration at home. Oak is a hardwood so it will be a hard surface to proctect your furniture and add a very natural, cosy , enjoyable scene.
Butcher block style oak oiled version is also available in the variations.
You can also order light color oak oiled version - similar to the sanded color but oiled so you can use as is. 
If you order the sanded version you need to oil it before using.