1. Cyrstal coaster with natural dry seed 2. Customized shapes are welcome 3. OEM designs are acceptable It can be made with different types of plating, assembled with different colors of ribbons. Custom logos are welcome.We have a full range of production options like different types of materials such as Brass, Iron, Stainless steel, Aluminum, Zinc alloy, Pewter, or Plastic, and the production ...