PORTABLE SIZE: 100ml. Perfect Size for packing sauces, salad dressings, peanut butter, jams, dressings, snacks, etc. RELIABLE MATERIAL: The small containers are made of high quality glass which is eco-friendly, reusable, and doesn’t contain anything harmful. The lids are made of BPA free plastic which is strong and long lasting. The containers are so versatile as they are Dishwasher, Fridge and Freezer safe. 100% LEAKPROOF: The plastic lids are equipped with rubber rings to ensure better air-tightness. They can keep the dipping condiment cups sealed and keep the sauce or condiment inside fresh. No spills or leaks would happened in your bag. COLORFUL LIDS: The colorful lid helps you easily distinguish the different sauces in the container, ideal for keeping them separate until you're ready to eat. And the fresh Morandi color palette is suitable for adults. MULTIPLE USE: Suitable for most lunch and bento boxes and especially great for on-the-go meals. The 6-piece set is enough to meet all your diverse situations of small-capacity and multi-variety needs. Perfect for kitchen, office, travel, picnic, barbecue, party, etc.