Sulcata Tortoises eating

Hank (male & bigger one) is 12+ yrs old and has been in our care for 6 yrs. Shelly (female & smaller one) is about 9 yrs old and has been in our care for 7 yrs. Shelly is about to hit a giant growth spurt and will then reach sexual maturity and will be bigger then Hank with in the next 3-4 yrs. They graze on grass and orchard hay for about 60% of their diet. The fruit is a once every few weeks treat and the peppers are once a week along with other veggies.