Dominoes set for adults are made of melamine, which is durable and sturdy. Comes with a portable natural wooden case, protecting the tiles from wear and tear and making it easy to travel anywhere. It can be customized with your company or organization`s name. Great for family game nights, birthdays, parties, travel, holiday gifts and weekend barbecues. 7.2" L x 2.4" W x 1.6" H