100% pure natural rubber teether Soft and natural Made from 100% natural rubber, from Malaysia Hevea tree; natural rubber is softer than silicone and won't leave marks on baby's face. Uniquely hygienic and strong - made of one cast, with no joints or cracks where dirt and bacteria can accumulate. No BPA, nitrosamines, PVC, phthalates, chemical softeners, or artificial coloring. Directions for use: Before first use place the teether in boiling water for 5 min, allow to cool. This is to ensure hygiene. Don't put in microwave. The use of dishwasher and sterilizer is not recommended. Clean before each use in soapy warm water and let dry in the open air. Store the teether in a cool, dry shady place. Keep away from direct sun or direct heat source. Replace the teether between one and two months of use, for safety and hygiene reasons. For your child's safety WARNING! Inspect carefully before each use, especially when the child has teeth. Throw away at the first signs of damage or weakness. Do not leave the teether in direct sunlight or near a source of heat, or leave in disinfectant ("sterilizing solution") for longer than recommended, as this may weaken the product. Produced from natural rubber latex