Full Set of 30pcs Gem Like Red Mini D4: enough to roll the effects of any kind of Healing Potion in DnD or Pathfinder Mini Gem Red D4: These are very tiny size of 10MM D4--just smaller than your expection Clear Glass Jar Included: The set comes in a clear glass jar, so you can just pop off the cap and roll the dice straight out to determine how many HP it restores. Pocket Size: They are adorable and travel-friendly, even the little jar is tiny! Only 1 3/4 inch tall, it is easily to hold it in hand and pocket. Very tiny and cute. Choking Hazard - Not for Children Under 5