Portion Control Lunch Box By Bentology - Bento Box, Portion Guide + Insulated Sleeve - Clear and Turquoise Portion Control Lunch Box - The Perfect Bento Box for losing weight! Lose weight and feel satisfied! Portion your items perfectly with measured containers Free Lunch Ideas App available to come up with creative meal plans Comes with insulated sleeve to take meals to go Bento Box closes tightly over the top of uncovered containers to keep everything in place and includes 3 leak proof lidded containers for leftovers and other wet foods.