Standard 6 sided dice but they are very tiny.  See picture for reference (penny not included).

Beautiful white color with a shiny finish.

Great for role playing games such as: GURPS, HERO, Faery's Tale, D6 System, Maid, Kobolds Ate My Baby!!!, Teenagers From Outer Space, Dungeons and Dragons     

Also great for regular dice games like: Backgammon, Yahtzee, Farkle, 1000/5000/10000, Cosmic Wimpout, Greed, Hot Dice, Squelch, Zilch, Zonk, & Darsh