Joy of Kitchen Portion Control Containers 7 pcs + Body Measuring Tape, Reusable Meal Prep Containers with Lids, Compatible with 21-Day Fix, Best for Diet and Other Uses, Multipurpose Colorful Boxes Ideal food storage containers for meals & diet, lunch boxes & food savers or any other kitchen needs. Compatible with 21 Day Fix Diet. Each portion control container comes with unique color and size to help you distinguish your meal without measuring. Containers are simple and easy to use: 1 x Green (veggies), 1 x Purple (fruits), 1 x Red (proteins), 1 x Blue (healthy fats), 1x Yellow (carbs), 2 x Orange (seeds & dressings). For perfect complement of portion control containers set, it comes with body measuring tape which helps you tracking all of your body measurements and progress. Portion control containers are made from high grade quality polypropylene and are BPA & DEHP free. Containers are 100% food safe, dishwasher safe, microwave safe, and freezer safe! Containers nest inside each other for convenient, space-saving storage. Containers size: green & purple: 3.1*3.1" (8*8 cm), yellow & red: 2.6*2.6" (6.5*6.5 cm), blue: 2*2" (5.5*5.5 cm), orange: 1.8*1.8" (4.5*4.5 cm). (They look larger on the pictures, but they are not big. Easy to store, easy to carry, easy to hold, easy to place in any bag).