this kind of things is for a cat substrate...it uses some newspaper to make in small drops....which is very useful for wrapping and absorbting the waste and urine.....in hk many pepole use this kind of thing to be a substrate...but sometimes i still use tissue or just a newspaper
oh ok, so like recycled newspaper. do you feed them in their enclosures? that looks like it would be easy for a gecko to accidentally swallow when lunging for his food.