Transport and protect your delicious cakes with our durable trays and clear, uninterrupted dome lids.Compatible with Cheesecake Lids Strength features for dependable product integrity Smooth flat surfaces for clean labeling Secure lid fit to maintain freshness PET is strong, lightweight and completely recyclable. The high strength of PET in comparison to its lightweight makes it very energy efficient, allowing for more product to be delivered in less packaging using less fuel.