I got them from Amazon!
[3-Pack] Glass Meal Prep Containers 3 Compartment - Food Storage Container Set with Airtight Locking Lids with Cutlery Compartment - Portion Control - Microwave, Freezer, Oven & Dishwasher Safe https://www.amazon.com/dp/B01M0FE59Y/ref=cm_sw_r_cp_apa_HiutAb87PNN5E