Specification:Material:DIY Snowman Diamond Coaster: AcrylicCork pad: CorkSize:Coaster: 3.91 x 0.08 inch/ 100 x 2 mmThe diameter of cork pads: 3.74 inch / 95 mmDIY Steps:1. Tear off the protective film on the surface of the painting coasters.2. Find the corresponding mold diamond and symbol.3. Insert the clay glue on the point drill pen.4. Pour the diamonds into the container tray.5. Pick up the diamond with inserted clay pen.6. Glue the diamond according to numbers or letters.7. Glue the cork pad to the coaster.8. Finished and ready to use these sparkly coasters.Package includes:8 x Christmas diamond painting coasters8 x cork pads18 x colorful diamond dots1 x clay glue1 x point drill pen1 x diamond tray1 x iron coaster holderWarm Notice:There may be a risk of swallowing.Since our coasters bottom are made of cork material, please do not soak in water or or wash it with water for a long time! When cleaning, please rinse the top surface of the coaster with water and wipe with a damp towel.For manual measurement, please allow slight error in size.There may be subtle differences in color due to different screen displays