Made of SUS304 stainless steel, Matt finish, rust-proof and stain-resistant. Self-adhesive, No drilling design. Very easy and useful. Universal: This paper holder can be attached to the kitchen wall, cabinet floor and all smooth surfaces. Easy installation. With the included nano glue, install it quickly and easily, very stable. The removable design can meet your different requirements, according to your needs, the shelf can be customized. Do not use the product until 24 hours after installing the adhesive.