These smaller size chews are made with 100 % pure organic calcium. No artificial preservatives or sweeteners . Covered with organic dried hibiscus 🌺 flowers . Leave calcium chews in enclosures at all times, tortoises will scrape calcium with there beak as there body needs it. For larger tortoises they will consume within a few day taking bites. This will eliminate the need to add calcium powders or sprays completely! If not completely consumed replace every 6 to 8 weeks . NO MORE FIGHTING TO GET THEM TO EAT CALCIUM , THEY LOVE THEM! This size would be suitable for tortoise 10-200 pound tortoise not babies