Rockin Beads 180 Mixed Butterfly Acrylic Beads 11x15mm Approx 1/2 X 5/8 Inch 180 Mixed Butterfly Acrylic Beads 11x15mm Approx 1/2 X 5/8 Inch Transparent Mixed Acrylic comes with Rockin Beads bead size card Rockin Beads (TM) Brand comes with Rockin Beads Size Gauge Card