The Pink and Purple Urchin shells measure about 1.5 inches wide and 1 inch tall and the Sputnik urchin is slight larger and up to 2 inches wide and 1 inch tall.
The air plants are about 1.5 inches tall. No glue or filler needed. The air plants fit perfectly in these cute little shells and are about 2 inches tall.
Choose your color urchin.