Structurally designed to be close to nature’s feed. Air valve convenience provided for a smooth air-free feed. Made with BPA free, PP Material. Ideal for weaning. Easy cleaning due to wide-neck design. Made with food-grade material. Durable and easy-grip design. Nipple locking systems so the liquid doesn’t spill when the bottle is shaken. Structurally designed to be close to nature’s feed. Air valve convenience provided for a smooth air-free feed. Made with BPA free, PP Material.