The product is manufactured from high-performance plastic. It does not contain carcinogenic substances. It does not contain BPA, it is produced from recyclable materials. A practical solution in shoes. Make room for 2 shoes instead of shoes. With the upper and lower design, one shoe comes inside the ramp and the other on top of it. The capacity doubles and your place in the shoe rack opens, you get comfortable. It has a long-lasting and stylish design. The product is black.