These beads containers are made of plastic. Have adjustable dividers.

8 compartments:   11cm x 7cm x 3cm - compartments 2cm x 3cm

10 compartments: 14.5cm x 7cm x 3cm - compartments 2.5cm x 3cm

15 compartments: 14cm x 10cm x 3cm - compartmnets 2.5cm x 3cm