Polished Obsidian Gemstone Dice Set With FREE Tin Holding Case * Each stone is genuine gemstone handcrafted into a full set for RPGs, DND, and other games. * Each set comes with a distinct leather case for storage * Each piece is cut and engraved by hand, so please allow for minor variations in shape and cut. * 7pc dice set: It will comes with 7 pieces of dice (D4, D6, D8, D10, D%, D12, D20) * How to use it: We recommend that you can roll them on something with a soft surface, like a soft wool felt dice tray. * DND Polyhedral Dice Set: These dices are the standard size of RPG dice. They are balanced and easy to roll. They are ideal for table games such as Dungeons and Dragons and MTG.