COLLAPSES FOR EASY STORAGE MADE OF SILICONE AND PLASTIC BPA FREE AND FDA APPROVED ALL FOOD GRADE MATERIALS DURABLE AND REUSABLE PRODUCT DIMENSIONS: 5.5" X 10.5" X 2"  EXPANDABLE TO 5.5" X 10.5" X 3.5' LID COMPARTMENT DIMENSIONS 4" X 9" X 1 "