Silicone material is safe and non-toxic, and the pacifier is homogeneous material, can withstand -40?-230?, can be used in the microwave oven, Non-slip, heat insulation, silicone material for easy cleaning, more durable. Recommended to wash with detergent before the first use and boil in the pot for 6-7 minutes to disinfect and remove peculiar smell, soft texture, anti - tear, handfeel very good, best gift for outdoor activity like traveling, hiking, camping, convenient to carry. 8 5/8"L x 3 1/16"W