100% natural rubber latex – people and planet friendly production No PVC, BPA, phthalates and artificial colours Soft and gentle on baby’s face Uniquely designed ventilation holes Hygienic solid design – eliminates bacteria The ergonomic butterfly shape gives space for nose and chin Prevents vacuum around the mouth The stylish packagig made from FSC certified paper is ideal for gifting The name “Hevea” originates from the Latin name for a genus of rubber trees, Hevea Brasiliensis.