🥣BPA free, 100% food grade glass and dishwasher safe. Plastic lids are environmentally friendly PP corrosion resistant material. 🥣Our small glass jars with lids are thoughtfully designed with suitable dimensions,10.8 cm in diameter,8.5 cm in height and approx. 16 oz/ 450 ml in capacity, which can store your favorite overnight oats nicely; At the same time, they can be stacked, saving your space. 🥣Our glass jars with lids are made of extra-thick high borosilicate glass, with a food-grade ultra-thick plastic lid and thickened sealing rings to prevent leakage. Even if the mason jar is upside down, the food will not leak. 🥣Can be widely used for overnight oats condiment salad dressing sauce baby food kids snacks juice milk candle pickl canning spice , etc. 🥣ALL Products you've purchased at MEETOZ Amazon store can be returned and replaced freely if there's any quality problem.