【Color-Coded System for Easy Identification | Food Storage Containers with Lids in 4 Colors】 This set of 16 containers includes four different lid colors (white, yellow, green, pink). This visual system can assist in quickly categorizing contents for different family members, meal prep days, or food types like snacks, dressings, or leftovers, potentially simplifying organization in the refrigerator, pantry, or lunch bag 【Food-Safe & Versatile Temperature Range | Freezer Containers with Lids for Multi-Use】 Made from food-grade PP plastic, these containers are designed to be freezer-safe for long-term storage, microwave-safe for reheating, and dishwasher-safe for easy cleaning. This material versatility aims to provide a convenient and hygienic solution for storing, freezing, and serving a variety of foods, from homemade baby purees to prepared sauces 【Secure Screw-Top Leak-Resistant Design | Plastic Food Containers with Lids Airtight Seal】 Each container features a threaded screw-on lid intended to create a reliable seal. This closure mechanism may help prevent spills and leaks, making these small food containers with lids suitable for packing liquids like yogurt, dips, or salad dressings in lunch boxes or for transporting snacks on the go without mess 【Uniform Stackable Shape for Space Efficiency | Round Food Containers with Stackable Design】 All containers share the same round, 10cm diameter x 5.5cm height dimensions, allowing them to nest when empty and stack securely when full. This consistent shape can help optimize vertical space in kitchen cabinets, freezers, or on countertops, supporting a more organized and efficient storage area for these plastic storage containers 【Included Write-On Labels for Freshness Tracking | Small Storage Containers with Date Stickers】 The kit comes with two sheets of writable labels, providing a simple tool for inventory management. Users can note the contents and storage date on each container, which may help in practicing the "first in, first out" method, reducing food waste, and keeping track of meal prep items in the fridge or freezer