Jan 23, · These bento containers typically come in two different materials: plastic or glass. Plastic options-like this value pack of 25 plastic containers for just $25 -are often cheaper, and they'll still keep your food freshly sealed. Plus, they often weigh less than glass (which is key if you're lugging multiple meals around with you every day).Author: Chelsey Hamilton. Jul 08, · Bento Box With Sesame Tofu Sesame-encrusted tofu, rice, Japanese-inspired pickles, and stir-fried greens is all it takes to put together a lunch full of flavor. Author: Tehrene Firman.