Made of all-purpose lightweight and durable polypropylene. An affordable choice for your next outdoor adventure, picnic, backpacking, day hike or boat trip. BPA free. Includes Cup, bowl, plate and mesh bag. it is rigid, strong and virtually indestrucible. acid and heat resistant (go ahead pour boiling water on it!) Highly resistant to stains and does not retain tastes or odors. Dishwasher safe!