Feature: 1. Round Corners: Constructed with exquisite plastic with clean, flat surfaces and rounded corners with no rough or cutting edges or barbs. Easy and safe to play, solid for long time use. 2. 30PCS: Includes 30pcs 16mm/0.63in standard round corner game dices, will provide you with endless fun games. Great gaming supplies for game lovers, friend gatherings, parties and more. 3. Plastic Material: Made of high strength plastic material, these dices are reusable and wear proof, durable, sturdy, anti fade, scratch and impact resistant, waterproof and free from odor. 4. Light and Portable: These dice are lightweight and easy to carry, also make excellent teacher's aids, supplementing math lessons and encouraging simple arithmetic. 5. Multiple Applications: This 6 sided dice set is great for all kinds of board games, dice games, math games and educational games, and you can give it to your kids as a Christmas present. Specification: Item Type: Dice Set Material: Plastic Weight: Approx. 136g/4.8oz Product Size: Approx. 16x16x16mm/0.63x0.63x0.63in Suitable for: Board games and other games and math teaching situations. Package List: 30 x Dice Note: 1. Due to manual measurement, 1 to 3mm error is allowed, thank you 2. The picture may not reflect the actual color of the item due to differences between different displays.