Melamine material, environmentally friendly, colorless and odorless, durable and wear-resistant. This is Chinese Mahjong, is not suitable for American Mahjong. You can entertain with friends at various places like at home, parties, parties and more. As a gift to Mahjong lovers or Chinese culture collectors.♦ Feature1. Melamine material, environmentally friendly, colorless and odorless, durable and wear-resistant. Mahjong machine engraving, once molding. Imported paint is colored and colorful. The touch is as gentle as jade.2. Mahjong is magnetic.3. Mah Jong: 144 tiles [36 circles, 36 bamboos, 36 characters, 12 dragons, 16 winds (north, east, south, west), 8 flowers and seasons]; 2 digital dices.4. #40 and #42 Suitable for chess room, mahjong machine, mainstream size; #44 Suitable for people who like large size.♦ Advantages1. Playing Mahjong moderately can relax your mind, activate your brain, and develop your intelligence, which can help you live longer. You can entertain with friends at various places like at home, parties, parties and more. 2. Magnetic mahjong suitable for mahjong machine.3. As a gift to Mahjong lovers or Chinese culture collectors, it is definitely the best choice. Make your choice of gifts more convenient.♦ Product Description1. Mah jong size: #40 tile measure 1.5*1.1*0.8 inches (40*29*20mm); #42 tile measure 1.6*1.3*0.86 inches (42*31*22mm); #44 tile measure 1.7*1.4*0.9 inches (44*33*23mm). 2. Material: Melamine3. Color: Blue4. Weight with package: #42 14.3 pounds (6.5 kgs), #42 15.4 pounds (7 kgs), #44 17.6 pounds (8 kgs).♦ Customer Service1. If for any reason you're unsatisfied with this professional mahjong set, please contact us within 30 days for a refund.2. We usually ship within 1-3 days, delivery time is 7-15 working days.