Clear Food Snack Container Box Round, 4-Piece Set, BPA-Free, Airtight Lids, Stackable, Food-Grade Plastic - Four-clip locking system creates an airtight, leak-proof seal to keep contents fresh and prevent leaks - Extremely durable; Lock & Lock containers are microwave-safe, freezer-safe, and dishwasher-safe - Stackable design saves space in the fridge, freezer, cupboards, and drawers - Non-toxic and BPA-free material for safe food storage - Leftovers and meal prep: After cooking, portion into containers, seal tightly, and store in the fridge or freezer; microwave reheating is convenient and easy - Lunches and on-the-go meals: Pack portions for work or school; stackable design helps keep your bag or lunchbox organized - Pantry organization: Store nuts, cereals, snacks, or other dry goods; use the stackable design to maximize cabinet and shelf space