BPA-free containers. Tight Seal: Locks in freshness. Prevents messy leaks. Interlocking Lids: Lids stay organized. Easy to find the lid you need. Carton made with 100% recycled paperboard. Minimum 35% post consumer content. How2recycle.info. Safe for: microwave. Dishwasher. Freezer. Try our food protection solutions from Glad. Glad to go lunch containers. Glad freezerware containers. Made in the USA.