All our shell mosaic tiles products are made of natural environmental Mother of Pearl (mop) rivershells and seashells materials. Material: Blacklip mop shell & Rivershell mixtureColor: natural black & whiteChips size: 15x15mm, 20x20mm, 25x25mm (square). Sheet size: 300x300mm Backing: on mesh Thickness: 2mm total REMARK: 1. MOQ: Small quantity for a trial order is acceptable. 2. Package: cartons ...