The First Years Take & Toss 4.5 oz Snack Cups are durable enough to use over and over, affordable enough to treat as disposables. Dishwasher and microwave-safe. Snap on lid is great for travel and leftovers. Sturdy so each one can be used and reused. Dishwasher safe. Just the right size for little hands to hold and use. PVC-free. This product does not contain polyvinyl chloride or phthalates.