Coir can create a more realistic and visually appealing natural and aesthetically pleasing look to the reptile enclosure.reptiles that naturally inhabit forest or tropical environments.Coir provides a soft and comfortable surface for reptiles to walk,rest ,and can mimic the natural ground texture and allow reptiles to engage in natural behaviours like digging or ceating burrows.Coir doesn't contain any harmful chemicals or toxins that could potentially harm their health.