Sandwich cake box,This is an innovative packaging solution designed specifically for the modern baking and catering industries. Using high-quality food grade PET plastic, the unique integrated triangular hinge structure and fully transparent window design perfectly present the exquisite beauty of your product. It is not only a packaging, but also a display tool to enhance brand image and attract customers' attention. The triangular Clamshell opening and closing method provides convenient opening and stable sealing, providing comprehensive protection from production to delivery for your sandwiches, cakes, desserts and other delicacies.