Tupperware® アルティメットシリコンスタンドアップバッグ | ミディアム、再利用可能、漏れ防止

Finally a reusable bag that actually stands up on its own while I'm filling it — the silicone base makes it so much easier to pack leftovers for the freezer. I've used it for soups and stews, and not a single leak so far. Perfect for cutting down on plastic waste without sacrificing convenience.