These dice are made out of Hollow metal. They feel very light while still being 100% metal. They feel nice your hand and have a long and satisfying roll. These metal dice will not damage your table! Made from premium Aluminum-Zinc alloy, these dice are built to last. The metal construction ensures durability and a light weight in hand This set includes all standard polyhedral dice - d4, d6, d8, d10, d12, d20, and a percentile die (d10 marked in tens) Contains: 7 dice