【100% Safe Transportation】we specially use high-quality pearl cotton card slot for lattice packaging, which is not loose. After repeated shaking tests, it is still intact. We promise that if you receive damaged products, please contact us immediately to replace it with a new product for free, and reply quickly within 24 hours. 【Premium Thick Glass Jar】Glass container made of premium durable food-grade glass, these canning jars are sturdy enough for everyday home use, the wide mouth mason jars is easy to use and clean. 【Considerate Designs】these overnight oats containers come with groove designed lids, which allow you to stack them together for convenient storage and saving space; They come with a wide mouth for easy storing and taking out things, the transparent body also makes it visible to see inside content. 【Leakproof and Airtight】these small glass containers with lids are made of glass, PP resin and silicone materials, which are leakproof and airtight, reusable and sturdy, can be applied for a long time; The screw lid fits the jar tightly, with thickened sealing ring, providing a nice sealing effect and won't leak even when turned upside down. 【Widely Applied】these mason jars for overnight oats are widely applicable, which can be applied to hold condiments, spice, snacks, baby food, preserved fruits, nuts, candies, salad, yogurt, sauce, pickles and so on.