4oz GLASS JAR WITH LID Batch prep and store multiple meals for your little at once with this set of glass baby food storage containers Make full meals or use the measurement markings in our glass storage jars with lids to prep snacksize portions of puree or mix and match different portions for a balanced meal MULTIUSE CONTAINERS FOR EVERY FEEDING STAGE Use these versatile meal prep jars to store purees baby food breastmilk and more Be sure to tighten the lid securely for breast milk storage to prevent any leaks Our 4oz glass jars with lids are a baby registry must have an investment youll use year after year MEASUREMENT MARKERS Each of our 4oz jars with lids have embossed oz and ml measurement markings and the lid comes in bright orange purple green blue yellow and red colors Prepare full meals or use the measurement markers in our infant mini jars with lids to ensure proper portions LONGLASTING CONSTRUCTION WeeSprout small glass containers with lids are made with thick food grade glass and premium hard silicone lids that means our glass baby food containers make the perfect alternative to singleuse containers and flimsy materials that dont last MICROWAVE DISHWASHER FREEZER SAFE These microwave dishwasher freezer safe 4oz glass jar set make meal time easy from start to finish Use our glass jar containers with lids to store premade meals in the freezer toss them in the microwave and clean in the dishwasher for easy reuse see instructions for microwaving