Premium Safe MaterialThe reusable mason jars set comes with a spoon is made of thick lead-free glass, food-grade silicone and PP. Long-term use will not produce harmful substances, durable and the wide mouth mason jars is easy to use and clean. The food can be seen at a glance with clean and transparent glass. Multipurpose Use10 oz mason jar with lid and spoon has two clear scales, scientifically grasp the amount of food and absorb more nutrients, perfect for dieters to control food intake. Suitable for DIY overnight oats, store grains, salads, parfait, jams, nuts, canned fruit to keep your food fresh for a long time. Fit for prepare healthy overnight breakfast for kids and family. Leak-Proof CoverOur 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 DesignThe 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. Perfect Gift ChioceOvernight oatmeal jars with elegant appearance,come with airtight lids and stainless steel spoons,can be carried around, ideal for families, bars, restaurants, travel and camping. Also perfect gift for parties, Thanksgiving, Christmas or any other important holidays.