Cambro 18″ x 26″ x 3″ White Polypropylene Pizza Dough Proofing Box Effectively proof your delicious dough with this Cambro DB18263P148 pizza dough proofing box. To learn about our promos/discounts for this product, click here. Categories: Pizza Supplies, Smallwares Tag: Proofing Box Related products Tuxton Concentrix China Plate Cinnebar 12″ Cambro Camwear 1/9 Size Clear Polycarbonate Flat Lid Tuxton Alaska Bright White Rim China Soup / Pasta Bowl 9.5 oz.