The Lassig Stainless Steel Lunchbox in Happy Printsis BPA-free and dishwasher-safe.Whether in kindergarten, at school or on a picnic, your childs sandwiches, fruit other snacks will stay fresh and delicious for a long time in the sturdy stainless-steel lunchbox. The flexible separators in the base and the silicone ring in the lid keep snacks fresh for a long time.