Our ice cube trays are made of food grade silicone and PP material which guarantee safety and durability. These are nontoxic and odor free. The silicone ice trays comes with a removable lid which allows you to make awesome cubes while keeps ice cubes from absorbing freezer odors. Size is 16.5×11.5x5cm(6.5″ x 4.5″ x 2″), each ice cube is 4.8×4.8×4.8cm (1.9″x1.9″x1.9″). Custom logos can be printed. Please contact us for further info.