Caution: Not a toy. Adult supervision required under 3 years of age. Do not leave a child unattended with this product. Hand wash in warm water. Replace every 3-4 months. Designed in Sweden and made of soft, food-grade silicone, they slip onto your fingertip so you can gently clean your baby's teeth without irritating gums. Help brushing go smoothly and begin building good habits with our silicone baby finger toothbrushes.