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 SetMaterial: PlasticWeight: Approx. 136g/4.8ozProduct Size: Approx. 16x16x16mm/0.63x0.63x0.63inSuitable for: Board games and other games and math teaching situations.Package List:30 x DiceNote: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.