From Itzy Ritzy, this teether features: Natural rubber teether Chew on this! Babies will experience pure relief with our natural rubber Comfort Crew This soft squeezable teether is designed to massage and soothe sore gums the natural way pure and simple Age: 3mos+ Materials: 100% latex Dimensions: 6.5" L x 4.25 W" x 1.6 H" Weight: 0.13 lbs Surface clean only with clean damp cloth. Do not submerse in water. Refrain from getting water inside the teether as mold or mildew can form if water is trapped inside. Not dishwasher safe. Do not sterilize. Do not boil Imported.