Never been disappointed by the quality of products Advent whether for bottles, baby accessories, very satisfied with these "tutes", daughter of his eight months still love them as much ... In addition, they are protected by a cap and can be attached by the attachment of the teat Aven brand through its ring These night teats We regret just that do not yet exist in pink or purple ... and the phosphor is illuminated full-time. J "was very satisfied with the price of 4.25!