Description: High-quality material: made of high-quality stone material, strong and durable. Simulation design: realistic texture, fine workmanship, and great texture. Irregular size: yellow rock (3-5mm/0.12-0.20inch), rough stone (3-5mm/0.12-0.20inch), orbital black rock (1-3mm/0.04-0.12inch), volcanic red rock (3-6mm/0.12-0.24inch), volcanic black rock (1-3mm/0.04-0.12inch), gray rock ( 2-4mm/0.08-0.16inch), river bed stone (2-5mm/0.08-0.20inch), yellow stone (5-10mm/0.20-0.39inch). Easy to use: apply some glue on the base of your landscape model, and then place these materials in the desired position. Wide range of uses: suitable for making sand tables, mini gardens, architectural models, scenes, etc. Specification: Material:Stone Size Chart: Packing size: 100x80x30mm/3.94x3.15x1.18inch Package Includes: 1x Sand Table Material Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!