No Burrs: Round corner design, these dice have glossy finish without burrs, do not scratch your hands, so you can use them with confidence. MATERIAL: These number dice are made of excellent plastic, resistant to corrosion and abrasion, no deformation, has a long service life. FINE PROCESSING: With exquisite workmanship, the numbers on these dice are not easy to wear or fade, which can ensure a long term use. TEACHING AID: These dice have bright colors, which helps children develop their sense ability and can be used as a teaching aid for children. DICE SET: Including 20pcs of 6 sides dice, sufficient in quantity, suitable for board games or digital teaching situations, with strong practicality. Specification: Item Type: Number Dice Product Material: Plastic Dice Size: Approx. 1.6 x 1.6 x 1.6cm / 0.6 x 0.6 x 0.6in Application: Suitable for board games and number teaching scenes Package List: 20 x Dice Note: 1. Please allow 13mm error for manual measurement, thank you! 2. Due to the difference between different monitors, the pictures may not reflect the actual color of the items. 3. Children under 6 years old should use it under the care of their parents.