1. Product Features: Brand new and of high quality, made of acrylic material, with a square - corner design, the surface is polished to a bright finish, light in weight and not easily broken. 2. Multifunctional Use: You can write numbers or letters on the surface of the cubes to make dice for different games. 3. Reusable: These white blank cubes are sanded, free of debris, and easy to clean. Their surface is easy to coat, wrap, or paste. You can use these acrylic cubes to fully unleash your imagination. Using these dice can enhance the interaction between family members, teachers, and students. You can also draw patterns or paste ornaments on their surface and use them as building block toys or math learning props. 4. Package Contents: 10 blank dice. 5. Specification Parameters: - Material: Acrylic - Optional Types: 16 mm/18 mm/20 mm - Color: White - Size 1: Approximately 16 mm/0.63 inches - Size 2: Approximately 18 mm/0.71 inches - Size 3: Approximately 20 mm/0.79 inches 6. Precautions: - Due to manual measurement, a 0 - 3 mm error is allowed. Please make sure you don't mind this error before placing an order. - Due to differences in different monitors, the pictures may not reflect the actual color of the item. Thank you for your understanding.