Natural Background makes your terrarium look really natural. - 100% natural coco fiber and rubber - non poisonous, free of germs and fungus, no fertilizers or chemicals used - easy to cut, can be fitted into every terrarium - very easy to attached with silicon - small plants can be planted on the mat - can also be used as substrate (carpet) for frog terrariums and quarantine tanks Pack contains 4 x 30x30x1cm