Self-adhesive strips: 10 m loop tape and 10 m hook tape. Each roll is 10 meters long and 20 mm wide. The back is coated with a special, very strong adhesive. Maximum adhesion is achieved after 24 hours. Wait 24 hours before applying the strips. A permanent and durable fastening solution for the home, classroom, office, and garage. Suitable for smooth surfaces: The double-sided adhesive strips are ideal for smooth surfaces such as plastic, glass, tiles, metal, mirrors, and smooth wood. Excellent 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 sunlight, as prolonged exposure will damage the adhesive and leave residue. Clean and dry the surface before use. No tools required: No hammer, drill, nails, or glue needed. The self-adhesive strip can be cut to the desired length. The durable Velcro tape is ideal for long-term organization and tool decoration. Warning: Not suitable for use on leather, PU, synthetic leather, heavy fabrics, plush fabrics, brick walls, concrete walls, gravel walls, polymers, or oil-based surfaces. Not recommended for use on fabric, soft vinyl, or underwater.