Based on this product's specifications, here are some alternatives and similar models
Stoneline food storage container set rectangular 4 pcs — 0.4 L, 0.8 L, 1.4 L, 2.3 L
Summary description:
Rectangular Stoneline 4-piece food storage set with capacities 0.4 L, 0.8 L, 1.4 L and 2.3 L. Designed for portioning, storing and transporting prepared meals, leftovers and ingredients. Each container is stackable to save space and suitable for kitchen organization, meal prep and everyday refrigeration use.