Unmatched Quality: The overnight oatmeal containers are made of premium glass. The lids come in four colors and perfectly and durably complement the transparent glass jars. The transparent glass makes it easy to see the food inside. High-Quality Glass Jars with Safety Lids: Our 450ml overnight oatmeal containers are made of high-quality, extra-thick glass, BPA-free and lead-free. The glass jars with lids feature an upgraded airtight lid to ensure food stays fresh longer. Package Includes: You will receive 4 glass jars with screw lids, available in 4 colors, each approximately 500ml, a honey jar, a yogurt pot, and a quantity and size suitable for daily use. Wide Range of Uses: Pack the prepared jars in a backpack or lunch bag; the small glass jars with lids take up little space. They are popular among business people, travelers, students, bodybuilders, dieters, and beauty enthusiasts. Premium Thick Glass Jars: Glass containers made of high-quality, durable food-grade glass. These jars are sturdy enough for daily household use; Mason jars are easy to use and clean. Aesthetically Pleasing and Waterproof Plastic Lid: The lid is made of food-grade PP material and is thickened to ensure safety, durability, and rust protection. The 80mm wide opening allows you to easily enjoy your food. It is also easy to clean. 100% Satisfaction Guarantee: This set includes four 500ml jam jars. Your satisfaction is our top priority. Please inspect the jars carefully upon receiving the overnight oatmeal fruit containers. If you find any damaged or missing items, please contact us immediately and we will provide you with a satisfactory solution.