BEST VALUE Glass Baby Food Storage - 8 Sets stackable glass baby food containers ( 4oz ) with assorted color lids. Free lid labels for marking contents and expiration dates. SAFE & STURDY - Made of High-Quality Material that is BPA-free, Microwave safe, Dishwasher safe (Top Rack). Note: Extreme temperature change will cause glass cracking. DO NOT take any glass from the freezer and put them in boiling heat directly or the other way around. DO NOT overheat them in the microwave. DO NOT heat them with lids on. LEAK PROOF - Each jar has leak proof, easy to use, screw on lid. MAKE LIFE EASIER – It makes baby food preparation so much easier. Great for portion, store, label, freeze, warm, grab to-go, serve. MULTI-COLOR - With multi-color lids, you can either use one color for all different food each day, or use different colors for different baby food. It helps a lot on portion control and keeping food fresh BEST VALUE Glass Baby Food Storage - 8 Sets stackable glass baby food containers ( 4oz ) with assorted color lids. Free lid labels for marking contents and expiration dates.