DaCool big 24 ounce insulated food jar for hot food or cold food for adults women man teenagers to enjoy lunch at office school or outdoors. How to use 1.Pour in hot water / cold water, cover lid, let it stand for 5 ~ 10 minutes to pre-heat / pre-chill the jar, empty the water. 2.Pack your food and cover lid. 3.Press the vent button for 1~2 times to open the inner lid. Why choose DaCool insulated food jar Firstly, Unique technology and sweet design 1. Seamless welding technology of inner tank to enhance insulation. 2. Copper coated to enhance insulation. 3. Double wall 304 stainless steel Vacuum Insulated. 4. Double lids, outer lid can hold food, which can enhance insulation and leak proof. 5. Inner lid has an balanced pressure exhaust valve, please do not worry that you can't open lid after packing hot food for a long time, just press the exhaust valve for 1~2 times and then open it easily. 6. Equipped with a folding stainless steel spoon. 7. Equipped with non-slip mat at the bottom of food jar. What's more, LIFETIME Friendly Customer Service. We offer this hot food jar lifetime friendly customer service. If you have any question or your experience is not good, please feel free to contact us seller via Amazon message, we will provide you good customer service ASAP. Thank you so much for your trust. Material Food Jar: 304 stainless steel Outer Lid: Food-grade pp Inner Lid: Food-grade silicone Spoon: 304 stainless steel All of material are food-grade material, BPA free, PVC free. Specification Capacity: 24 ounce Wide mouth: 3 inch Size: 7.6*3.9*3.9 in Weight: 13.5 oz / 388g Color: Cyan Blue What you get 1 x Insulated food jar 1 x Stainless steel folding spoon 1 x User manual Lifetime friendly customer service.