Made out of 100% food-grade silicone. Bowly converts to storage with lid. Helps with the development of fine motor skills. Healthy alternative to plastic. Suitable for oven, microwave, air fryer, fridge, and deep freezer between -40°C and 200°C The surface should be smooth, dry, and clean to secure suction. Bowly Capacity: 450 ml Mini Cup Capacity: 450 ml Cleaning Instructions: Wash thoroughly before initial use. Hand wash, dishwasher and steriliser safe. For best results, we recommend hand washing with chemical-free detergent. ATTENTION PLEASE: A strong coloured food might leave its mark/stain. These marks are due to natural food colourants so it is completely safe to use the product.