Velcro flap opening only. Fits up to 4 16" Standard Pizza Boxes. Plastic Window for Easy Receipt Access. Reinforced Velcro Top. Superior Non-Sweat/Mould Lining. Important: Handwash only. Do not use in a washing machine as it will damage the print. Together these hot cells keep pizzas flat and retain heat effectively keeping your pizzas and sides hot for customers to enjoy. Box of 5. Specifications: Measures (LxW): 500 x 485mm closed outer. 730 x 450mm flap open