Here are two photos of the modern pyrex glass beads you asked for. I hope you can see in the red and white stiped bead. The white stripe is a five sided star.

The red and white stripe bead is 62mm X 35mm X 21mm. The dark green stripe, pink stripe, light green stripe, red stripe bead is 52mm X 31mm X 28mm.

Enjoy
Sincerely
Thomas Mercer