Reptile Carpet 39.4 X 19.7 Terrarium Bedding Substrate Liner Reptile Mat Tank Accessories for Bearded Dragon Lizard Tortoise Leopard Gecko Snake. COMFORTABLE AND SOFT: Made from good-density fibrous material, soft, absorbent, breathable and comfortable for reptile feet, tripe and teeth.It serves as an ideal bearded dragon substrate, promoting a healthy space in their terrarium.