Zoo Med Frog Moss, 80 Cubic Inches Each (3 Pack) Pack of 3 Zoo Med Frog Moss, 80 Cubic-Inches Each Frog Moss (also called Pillow Moss") will come back to life and grow in proper terrarium conditions" A beautiful, decorative living moss to accent your naturalistic terrarium Increases humidity in terrariums making it perfect for all high humidity loving species of reptiles or amphibians Zoo Meds frog moss can be washed and reused several times before needing to be replaced with new moss