Multi-functional square strainer serves as a lettuce keeper for refrigerator, dish strainer, or fruit washing bowl, simplifying food prep and storage tasks. Corrosion-resistant stainless steel construction makes metal colander and easy to clean, ensuring long-lasting performance for daily kitchen use. Double-layer draining design of square strainer removes excess water and oil, preventing food spoilage caused by trapped or grease buildup. Food-grade 304 stainless steel in fruit storage containers for fridge ensures safe food contact, enabling quick cold transfer to preserve food freshness efficiently. 3-piece layered structure (base container, square strainer, tight lid) meets diverse storage needs, both practical functionality and sleek kitchen aesthetics.