CASOTY Couples Planet Bracelets Handmade Beaded Stretch Bracelet Couples Planet Bracelets, Special Design and Handmade. Planet is 10mm beads; blue gravel on behalf of the planet is 8mm beads. Size: 14cm - 5.5''. A preferred Christmas gift, a Planet bracelet is a fantastic present for your lovers. Wear it, you are my universe.