Portable Size: Each one is 3" x 1.7", 2.7 oz (80 ml) perfect size for packaging sauces, salad dressings, peanut butter, jams, condiments, snacks, and more. Reliable Material: Made of high-quality glass, this small container is environmentally friendly, reusable, and does not contain any harmful substances. The lid is made of BPA-free plastic, which is sturdy and durable. This container is versatile and can be put in the dishwasher, refrigerator, and freezer. 100% Leakproof: The plastic lids are equipped with rubber rings to ensure better airtightness. They can keep the dip cups sealed and keep the sauces or condiments fresh inside. Your bag will not spill or leak. Colorful Lids: The colorful lids can help you easily distinguish the different sauces in the container, which is great for keeping them separate until you are ready to eat. The refreshing color palette is suitable for adults. Multiple Uses: Fits most lunch boxes and bento boxes, especially for eating out. The set of 6 is small enough to meet your various needs and multiple needs. Perfect for the kitchen, office, travel, picnics, barbecues, parties, and more.