【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. 【High Quality】-Our mason jar is made of high boron high temperature resistant glass, durable, BPA and PVC free, food grade plastic lid with silicone ring, food will not spill even if it is upside down. 【Clear Jars For Versatile Use】-The jars are crystal clear so that the food inside can reveal its appearance, paired with different lids colors, maybe they will motivate you to DIY with a variety of styles and combinations of food in it And it is perfect for making overnight oats like mixing chia seeds, yogurt, milk, and fruits, or use them as drinking glasses or anything else you’d use glass jars for. 【Leak-Proof Cover】-Our mason jar lids for breakfast have excellent tightness and leak-proof properties. Even if the overnight oats jars is overturned, it can prevent accidental spillage. You can safely put it in the school bag suitcase. The excellent airtightness of the overnight oats jars can isolate the air more completely, can also be used as a food can to keep your food fresh for a long time. 【Unique Design】-The cereal on the go container has concave-convex pattern design on the bottom of the cup, which is non-slip and wear-resistant, and the lid has good sealing performance. Large-caliber cup mouth with fine workmanship is easy to clean. With a small spoon, it is more convenient and simple to use and meets your daily needs.