These silicone Long Ice Cube Trays are made of silicone that allows you to remove the ice cubes from the tray ease. These come on a set of two and can make 8 Long ice cubes that can fit into your water bottle, thermos, canteen or other bottles with a small round opening. Try freezing berries or small fruit for a flavor burst! Each tray measures 10.5 Inch long x 4.5 Inch wide.