Meal Prep Haven 7 Piece Multi-Colored Portion Control Container Kit with Guide and Protein Shaker Bottle PROTEIN SHAKER INCLUDED: Measure out your protein needs, portions and food types with our systematized color combinations. PORTION CONTROL GUIDE INCLUDED: Each food container set comes with a clearly detailed guide to help understand how best to measure your your daily intake. Comparable to 21 Day Fix system. EXCELLENT FOR PORTION CONTROL: Never worry about weighing your food on a scale again! Our containers are clearly labelled with the food type + weight per container. TOP TIER QUALITY: Made of high grade propylene, each container is built to last and is completely BPA & DEHP free and safe for dishwasher use (top rack), SATISFACTION GUARANTEED: We stand by our products at Meal Prep Haven and are committed to your satisfaction. Got an issue? We'll be happy to offer a free replacement or refund.