The Ant Farm Habitat Formicarium Sand Substrate Bag Large is the perfect filling for any ant habitat. This bag of sand substrate provides a natural and comfortable environment for your ants to thrive in. Completely safe and clean, the sand is easy to use and maintain. The bag contains enough substrate to fill our medium formicarium, making it a cost-effective choice for ant enthusiasts. Give your ants the best possible home with the Ant Farm Habitat Formicarium Sand Substrate Bag.
 
Note: for the large outworld you'll need three bags. 
 
Weight - 350 gr. (approx.)