Marimo Moss Ball Kit. Sold as induvdial items not as a pair (picture is to show size differences).  Each one comes with glass vase, moss ball, gravel, sea shells.

Small:  3.75 x 4.25 inches

Medium:  4.5 x 4.75 inches

Keep water topped up and change water as needed.

Marimo Moss Ball Kit

SKU: 0019