Materials: As shown in the picture Size: 12.9*4.3*4.3cm / 5.08"*1.69"*1.69" Color: As shown in the picture 1. Highly effective penetrating formula, quickly repairs concrete cracks, extending the service life of building structures. 2. Suitable for various scenarios such as walls, floors, and roofs; can be used both indoors and outdoors, with strong adaptability. 3. Simple construction; no complicated tools required; can be brushed or sprayed, saving labor and time costs. 4. Waterproof and seepage-proof, effectively preventing water intrusion, preventing steel corrosion and freeze-thaw damage. 5. Safe, meets national standards, environmentally and human-friendly, suitable for various engineering projects. Package includes: 1 package containing 1 product.