I tried a lot of things. These are my absolute favorite. 2” For simulator, 2.5” - 3” for actual course. I have been using 1 on the course now for 6 rounds of golf. I’ve hit hundreds of driver on my sim and never broke one. 24 for $18 or so.

Martini Golf Tees 2" 4 Packs of Mixed - 24 Tees Total - Virtually Unbreakable https://www.amazon.com/dp/B01L2LQX8I/ref=cm_sw_r_cp_api_i_02PZ01HYY4FZQYREZMX4?_encoding=UTF8&psc=1