DICE 6-Sided (D6), BLUE Swirl, Deluxe Rounded Corner _ Bundle of 20 Dice Set of 20 BLUE Swirl (6-sided, D6) Solid Dice with rounded corners. Nicknamed D6 dice. Multiple uses for games, math exercises. NOT a stand alone game. Bright BLUE Swirl. Black dots/pips are recessed into dice for longer lasting life (as opposed to silk-screened on the surface.) Approximately 5/8 inch (16mm) wide. Standard dice size found in many common games. This is a set of 20 Identical BLUE Swirl Dice.