Versele Laga Country\\\'s Best Grit 2.5kg Help your birds get the calcium and nutrients they need with the Versele Laga Country\\\'s Best Grit. Made with flint, oyster shells, various seashells and a small amount of charcoal, the Grit helps to promote digestion and ensure your birds are happy and healthy. The sea shells help provide the calcium and minerals needed to help form the shell of the egg and strengthen the skeleton needed for laying birds. Charcoal is added to help bind any harmful substances and gasses that is present in the intestine which further promotes healthy digestion. Ingredients: Marine shells, Flint, Oyster shells, Charcoal.