A Single Entry Visit Visa permits meaning you can only use it once to enter Indonesia. Which means once you leave the country, you can not use it again. This Visa first valid for 60 days, then later on in Bali you can extending it twice every 60 days if you want
All these Visa later in Indonesia can be extend twice for every 60 days except the Internship visa – Extension price is USD 180 per 60 days