It's a bioplastic made from the polylactic acid of plant starches, aka an environmentally-friendly alternative to plastic. This bento box comes in one size (7.4" x 5.1" x 2.3"/18.8cm x 13cm x 5.8cm) that'll fit a full-blown lunchtime special. A sturdy rubber band keeps all of its contents safe.
.: Material: 100% black PLA bioplastic .: One size: 7.4" x 5.1" x 2.3" (18.8cm x 13cm x 5.8cm) .: Includes a rubber band and PLA bioplastic utensils .: Stipple print texture .: NB! Not suitable for liquids or microwaving .: NB! Hand wash recommended