Pebble Luster 2x4mm 6/0 Peanut Farfalle Butterfly Seed Beads 23 Gram Tube Pebble Luster 2x4mm 6/0 Peanut Farfalle Butterfly Seed Beads 23 Gram Tube Seed beads fit together like little farfalle pasta when strung tohether center hole is approx .5mm Beads are considered a 6/0 in size shaped like little peanuts lso known as Farfalle or dog bone beads beads are 4x2mm