· Vented Lids: Built-in vents for splatter-resistant microwaving· Easy-Find Lids: Lids snap together at bases to reduce clutter· Health-Friendly: BPA free, microwave safe and dishwasher safe· Durable Containers: Thick, durable container walls for everyday use· Assorted Sizes: Set contains 21 containers and 21 lids, featuring diverse sizes for varied needs· Space-Efficient: Stackable storage design for optimal kitchen organization· Highly Visible: Bright red color ensuring easy identification of lids.