African seed beads are strung with cotton thread. They can be used for jewelry making or as a waist beads. 

MEASUREMENT

Yellow is approximately 3-5x5-7=mm
Mix is approximately 2-4x3-5mm
Brown is approximately 4-6x6-8mm
Blue is approximately 2-5x5-6mm
Beads are about 24-25 inches in length

**** Beads are handmade, so no beads are identical, the actual color may vary due to your screen