[Usage]: Used for tile installation, laying large slabs. [Feature]: Accurate 10mm joints for a perfect finish, no blemishes or burrs. [Light and Durable]: It is a hollow structure, internal reinforcement that allows them to withstand stress and prevent them from being crushed. [High Quality]: Made of PP material, environment-friendly and odorless. [Easy to use]: It will be invisible once covered with pointing, work efficiency would be fast and easy. Type Garden,Patio Stones,Paving Slabs Material Plastic Colour White Brand Unbranded/Generic MPN TJ4894670358969 EAN 4894670358969 .