Keep your food fresh and mess-free with this 4-piece set of food storage containers in environment-friendly glass. The Bentgo Glass Food Storage Set comes with 2 different-sized containers for snacks, lunch, family-size dinners and even leftovers! Made of reusable and sustainable glass with a borosilicate glass base and a tempered glass lid, you can heat, freeze, clean, and eat from them repeatedly! Please note: DO NOT heat lids in the oven or microwave.Leak-Proof Design: Each Bentgo Food Storage container comes with a 100% airtight silicone seal that you can even remove for easy cleaningEco-Friendly Glass: Crafted of a high-quality, borosilicate glass base with a tempered glass lid, these sustainable, meal prep glass containers with lids are better for the environmentSecure Locking Clips: Easy-open design helps keep your food as fresh as when you made itMicrowave Safe: Re-heat food in the microwave without the lidOven Safe: Re-heat food in an oven, up to 950℉, without the lidFreezer Safe: Store your meals in the freezer for laterDishwasher Safe: Simply add the container and lid to the dishwasher for easy cleaningCleaning Tip: Leak-proof sealing ring is removable! Hand wash and let dry completely before returning to the lid.