Yumbox Poche is a convenient insulated lunch bag for your Yumbox.Bring it along for work, school and sports.Compact and lightweight.Designed to fit in your existing school, work and sports bags.It's the most versatile lunch bag you'll ever own! Custom designed for a perfect and snug fit with Yumbox Tapas.The lunch bag sleeve can also be used with the original Yumbox bento lunch box.Which will also allow you to pack an extra slim snack on a side.