Premium Construction: Crafted from high-quality, non-toxic 18/8 stainless steel, our nesting reusable metal lunch containers are durable, dishwasher safe and free of BPA, BPS, phthalates, and lead. Space-Saving Design: Our stainless steel lunch containers are both stackable and nestable, saving space in your fridge and time in your day by making organization simple and efficient. Versatile Sizes: With etched tare weights and 15, 30, and 50 ounce sizes, our stainless steel food containers have you covered for meal prep, packing lunch, and storing leftovers. Airtight and Leak-Resistant Lids: Our silicone lunch container lids lock in freshness, keeping your meal deliciously intact and providing a reusable seal for sandwiches, salads, and overnight oats. Oven Safe: Designed to withstand heat up to 300 degrees, our metal bento boxes can safely go from freezer to oven, making both preserving and cooking your favorite food convenient and hassle-free. 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.