Space-Saving Design: Our 45 and 25oz food storage containers are both stackable and nestable, saving space in your fridge and time in your day by making organization simple and efficient. Premium Construction: Crafted from durable, non-toxic 18/8 stainless steel, our reusable metal lunch containers are oven safe up to 300 degrees and free of BPA, BPS, phthalates, and lead. Airtight and Leak-Resistant Lids: Our reusable meal prep containers lock in freshness, keeping your food deliciously intact and providing a reusable seal for sandwiches, salads, and snacks. Effortless Meal Prep: With etched tare weights on each snack box container, measuring food portions is simple and accurate, ensuring consistency when packing lunch every day. Simple Clean-Up: Our stainless steel bento box and removable silicone lid are both dishwasher safe, making clean-up effortless and ensuring your container stays spotless and ready for your next meal. U-Konserve Stainless Steel Containers with a Silicone Lid are the perfect waste-free solution for lunches, picnics, travel, outdoor adventures, bulk shopping and family leftovers. Leak-proof lid, etched tare weighs for bulk shopping, dishwasher safe, and like-shapes nest for easy storage. Pack snacks, lunches and main meals while reducing single-use packaging. Our sizes are versatile enough for all food-storage needs at home and on the go, while saving trash from our ever-growing landfills. Flexible silicone lids are easy to open, and the leak-proof feature keeps spills at bay. Our new non-toxic stainless steel and silicone combination make these lunchboxes the best zero-waste solution for you and the planet. Plastic-free, durable, flexible, platinum-grade silicone. 304 (18/8) stainless steel. Free of BPA, BPS, phthalates and lead. Remove all sticker before washing.