Self-adhesive for stripes: 10m of loop tape and 10m of hook tape. Each roll is 10m long and 20mm wide. The backing is coated with a special, very strong adhesive. The adhesive reaches its maximum strength after 24 hours. Wait 24 hours before attaching the self-adhesive strips to the object to which they are attached. A permanent and durable mounting solution for homes, classrooms, offices, and garages. Suitable for smooth surfaces: The double-sided scratch-off stickers are ideal for smooth surfaces such as plastic, glass, tiles, metal, mirrors, and smooth wood. Not suitable for use on leather, PU, synthetic leather, heavy fabrics, plush fabrics, brick walls, concrete walls, gravel walls, polymers, and oil-based surfaces. Not recommended for use on fabric, flexible vinyl or underwater. Superb adhesion: The self-adhesive backing is very strong and high-quality. It leaves no residue when removed from a smooth surface. Do not expose to heat or light, as prolonged exposure will damage the