Rubbermaid LunchBlox Salad Kit 1806179 https://www.amazon.com/dp/B0078K3ZPM/ref=cm_sw_r_cp_apa_i_qIHrDbJBZJVHM

Not OP, but this looks like it.

Rubbermaid LunchBlox Salad Kit 1806179 https://www.amazon.com/dp/B0078K3ZPM/ref=cm_sw_r_cp_api_i_nMJrDb0AANZXE

Comes with an attachable ice pack too which is nice for on-the-go.