Israel’s OPA (Hebrew for “wow”) supplies Wolt-registered restaurants with its reusable, returnable, bowls for takeout deliveries in Tel Aviv and soon other cities. OPA is also consulting with Rabbis to ensure that the bowls can also be used in kosher establishments.

https://www.timesofisrael.com/start-up-offers-reusable-100-recyclable-bowls-for-takeout-food/